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SPEEDAIRE O-Ring: Mfr Part # PN21AA161G, O-Ring, Compatible with Grainger Part # 21AA57 - Air Tool Replacement Parts
SPEEDAIREAir Tool Replacement Parts

SPEEDAIRE O-Ring: Mfr Part # PN21AA161G, O-Ring, Compatible with Grainger Part # 21AA57

The SPEEDAIRE O-Ring (Mfr Part # PN21AA161G) is an air tool replacement part, sold as a 2-pack. It is compatible with Grainger Part # 21AA57 and is identified by the O-Ring type.

SKU 3G-OTH-166150

Brand
SPEEDAIRE
Item
O-Ring: Mfr Part # PN21AA161G, O-Ring, Compatible with Grainger Part # 21AA57
Category
Air Tool Replacement Parts
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Technical Specifications

SPEEDAIRE
Manufacturer Part Number
PN21AA161G
Type
O-Ring, Compatible with Grainger Part # 21AA57, 2 PK
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SPEEDAIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPEEDAIRE O-Ring (Mfr Part # PN21AA161G) is an air tool replacement part, sold as a 2-pack. It is compatible with Grainger Part # 21AA57 and is identified by the O-Ring type.

Frequently Asked Questions

What is the SPEEDAIRE O-Ring PN21AA161G used for?

The SPEEDAIRE O-Ring PN21AA161G is a replacement seal for pneumatic air tools. It prevents air leaks and maintains pressure in cylinders, valves, and couplings. Sold as a 2-pack, it is compatible with Grainger Part # 21AA57 and suits maintenance across industrial machining, material handling, and assembly lines.

What are the specifications of the SPEEDAIRE O-Ring PN21AA161G?

The SPEEDAIRE O-Ring PN21AA161G is an O-Ring type air tool replacement part, sold as a 2-pack. Its manufacturer part number is PN21AA161G, and it is compatible with Grainger Part # 21AA57. For exact dimensions and material, refer to the OEM data sheet or contact 3G Electric for sourcing support.

Where to buy SPEEDAIRE O-Ring PN21AA161G worldwide?

3G Electric supplies the SPEEDAIRE O-Ring PN21AA161G to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this 2-pack O-Ring compatible with Grainger Part # 21AA57.

How to install the SPEEDAIRE O-Ring PN21AA161G?

To install the SPEEDAIRE O-Ring PN21AA161G, first depressurize the air tool and remove the old seal. Clean the groove thoroughly, then lubricate the new O-Ring with compatible pneumatic oil. Gently seat it without twisting, reassemble the tool, and test for leaks at operating pressure. Always follow the manufacturer's service manual.

Used in

Common applications for SPEEDAIRE
Manufacturing assembly lines — SPEEDAIRE compressed air filters (e.g., 4ZL49) for particulate removal in pneumatic tool supply
Air compressor maintenance — SPEEDAIRE Furnas to Condor P/S Kit (33MH82) for pressure switch conversion on reciprocating compressors
Pneumatic control systems — SPEEDAIRE check valves (810RC7) to prevent backflow in instrument air lines
Air tool repair — SPEEDAIRE internal gears (45P349) and O-rings (42VA60) for rebuilding impact wrenches and grinders
Heavy-duty industrial air preparation — SPEEDAIRE heavy-duty filters (4ZL12) with metal bowls for high-flow, high-pressure applications up to 250 psi
Air motor servicing — SPEEDAIRE repair kits (22XJ91) for maintaining pneumatic gearmotors in conveyor systems

SPEEDAIRE Products

3G Electric supplies SPEEDAIRE air tool replacement parts. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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