Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular - BA9s Single-Contact Miniature Bayonet Base Lamps
APPROVED VENDORBA9s Single-Contact Miniature Bayonet Base Lamps

APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular

The APPROVED VENDOR Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a T3-1/4 tubular bulb shape. It operates at 28V AC and produces white light, identified by trade number 1873 (MPN…

SKU 3G-OTH-385193

Brand
APPROVED VENDOR
Item
Incandescent Bulb: Incandescent, Miniature Bayonet
Category
BA9s Single-Contact Miniature Bayonet Base Lamps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
1873-10PK
Type
Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1873
Voltage
28V AC
Bulb Shape
T3-1/4
Light Color
White
Trade Number
1873
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Incandescent Bulb is a BA9s single-contact miniature bayonet base lamp with a T3-1/4 tubular bulb shape. It operates at 28V AC and produces white light, identified by trade number 1873 (MPN 1873-10PK).

Frequently Asked Questions

What is the APPROVED VENDOR 1873 incandescent bulb used for?

The APPROVED VENDOR 1873 incandescent bulb is used as a replacement lamp in industrial control panels, indicator lights, and instrumentation where a 28V AC miniature bayonet (BA9s) base is required. Its T3-1/4 tubular shape fits standard panel-mount sockets for status indication and backlighting.

What are the specifications of the APPROVED VENDOR 1873-10PK bulb?

The APPROVED VENDOR 1873-10PK is a BA9s single-contact miniature bayonet base incandescent bulb. It operates at 28V AC, has a T3-1/4 tubular shape, produces white light, and carries trade number 1873. Each pack contains 10 bulbs.

Where to buy APPROVED VENDOR 1873 bulbs worldwide?

3G Electric supplies the APPROVED VENDOR 1873-10PK incandescent bulb to customers worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this BA9s miniature bayonet lamp.

How to select the correct BA9s incandescent bulb for a 28V AC circuit?

To select the correct BA9s bulb, match the base type (miniature bayonet BA9s), voltage (28V AC), and bulb shape (T3-1/4) to your fixture. The APPROVED VENDOR 1873 meets these requirements. Always verify the trade number and confirm the socket type before ordering to ensure proper fit and operation.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR ba9s single-contact miniature bayonet base lamps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1891 (MPN 1891-10PK). Key specifications — Light Color: White; Trade Number: 1891; Voltage: 14V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1891 (MPN 1891-10PK). Key specifications — Light Color: White; Trade Number: 1891; Voltage: 14V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1893 (MPN 1893-10PK). Key specifications — Light Color: White; Trade Number: 1893; Voltage: 14V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1893 (MPN 1893-10PK). Key specifications — Light Color: White; Trade Number: 1893; Voltage: 14V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1843 (MPN 1843-10PK). Key specifications — Light Color: White; Trade Number: 1843; Voltage: 28V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1843 (MPN 1843-10PK). Key specifications — Light Color: White; Trade Number: 1843; Voltage: 28V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1813 (MPN 1813-10PK). Key specifications — Light Color: White; Trade Number: 1813; Voltage: 14.4V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1813 (MPN 1813-10PK). Key specifications — Light Color: White; Trade Number: 1813; Voltage: 14.4V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1819 (MPN 1819-10PK). Key specifications — Light Color: White; Trade Number: 1819; Voltage: 28V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1819 (MPN 1819-10PK). Key specifications — Light Color: White; Trade Number: 1819; Voltage: 28V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1864 (MPN 1864-10PK). Key specifications — Light Color: White; Trade Number: 1864; Voltage: 28V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1864 (MPN 1864-10PK). Key specifications — Light Color: White; Trade Number: 1864; Voltage: 28V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.

More from APPROVED VENDOR

View all APPROVED VENDOR parts →
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (G) Globe, G4-1/2, 57 (MPN 57-1PK). Key specifications — Light Color: White; Trade Number: 57; Voltage: 14V AC; Brand: APPROVED VENDOR; Bulb Shape: G4-1/2.
APPROVED VENDOR
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (G) Globe, G4-1/2, 57 (MPN 57-1PK). Key specifications — Light Color: White; Trade Number: 57; Voltage: 14V AC; Brand: APPROVED VENDOR; Bulb Shape: G4-1/2.
APPROVED VENDOR Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24V AC/DC (MPN L24V-MB-A). Key specifications — Light Color: Amber; Voltage: 24V AC/DC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 24V AC/DC (MPN L24V-MB-A). Key specifications — Light Color: Amber; Voltage: 24V AC/DC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 12V DC, White (MPN LM1012MB-WW). Key specifications — Light Color: White; Trade Number: 53, 57, 182, 293, 756, 1445, 1488, 1815, 1816, 1889, 1891, 1893, 1895; Voltage: 12V DC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 12V DC, White (MPN LM1012MB-WW). Key specifications — Light Color: White; Trade Number: 53, 57, 182, 293, 756, 1445, 1488, 1815, 1816, 1889, 1891, 1893, 1895; Voltage: 12V DC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 160V AC, White (MPN LM10160MB-WW). Key specifications — Light Color: White; Voltage: 160V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 160V AC, White (MPN LM10160MB-WW). Key specifications — Light Color: White; Voltage: 160V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 44 (MPN 21U517). Key specifications — Light Color: White; Trade Number: 44; Voltage: 6.3V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 44 (MPN 21U517). Key specifications — Light Color: White; Trade Number: 44; Voltage: 6.3V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6.3V DC, Amber (MPN LM1006MB-A). Key specifications — Light Color: Amber; Trade Number: 51,55,44,47,239,755,1406,1847,1850,1866,1810,1888; Voltage: 6.3V DC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6.3V DC, Amber (MPN LM1006MB-A). Key specifications — Light Color: Amber; Trade Number: 51,55,44,47,239,755,1406,1847,1850,1866,1810,1888; Voltage: 6.3V DC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6V AC/DC (MPN L1006MB-WW). Key specifications — Light Color: White; Trade Number: 51,55,44,47,239,755,1406,1847,1850,1866,1810,1888; Voltage: 6V AC/DC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Compact LED Bulb: LED, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 6V AC/DC (MPN L1006MB-WW). Key specifications — Light Color: White; Trade Number: 51,55,44,47,239,755,1406,1847,1850,1866,1810,1888; Voltage: 6V AC/DC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1819 (MPN 1819-1PK). Key specifications — Light Color: White; Trade Number: 1819; Voltage: 28V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.
APPROVED VENDOR
APPROVED VENDOR Incandescent Bulb: Incandescent, Miniature Bayonet (BA9s), (T) Tubular, T3-1/4, 1819 (MPN 1819-1PK). Key specifications — Light Color: White; Trade Number: 1819; Voltage: 28V AC; Brand: APPROVED VENDOR; Bulb Shape: T3-1/4.