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SPEEDAIRE Reverse Stem: Mfr Part # PN21AA170G, Reverse Stem - Air Tool Replacement Parts
SPEEDAIREAir Tool Replacement Parts

SPEEDAIRE Reverse Stem: Mfr Part # PN21AA170G, Reverse Stem

The SPEEDAIRE Reverse Stem (Mfr Part # PN21AA170G) is an air tool replacement part designed for compatibility with Grainger Part # 21AA57. This reverse stem component is identified by key specifications including…

SKU 3G-OTH-166757

Brand
SPEEDAIRE
Item
Reverse Stem: Mfr Part # PN21AA170G, Reverse Stem
Category
Air Tool Replacement Parts
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Technical Specifications

SPEEDAIRE
Manufacturer Part Number
PN21AA170G
Type
Reverse Stem, Compatible with Grainger Part # 21AA57
View Full Spec Sheet

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

Product Description

The SPEEDAIRE Reverse Stem (Mfr Part # PN21AA170G) is an air tool replacement part designed for compatibility with Grainger Part # 21AA57. This reverse stem component is identified by key specifications including part numbers PN21AA170G and 21AA57.

Frequently Asked Questions

What is the SPEEDAIRE Reverse Stem used for?

The SPEEDAIRE Reverse Stem (PN21AA170G) is an air tool replacement part that reverses airflow direction in pneumatic tools. It is compatible with Grainger Part # 21AA57 and is commonly used in industrial maintenance and repair applications across machining and assembly operations.

What are the specifications of the SPEEDAIRE Reverse Stem?

The SPEEDAIRE Reverse Stem has manufacturer part number PN21AA170G and is compatible with Grainger Part # 21AA57. It is a reverse stem type component designed as a direct replacement for air tools requiring this specific part. No additional dimensions or material specs are provided.

Where to buy the SPEEDAIRE Reverse Stem worldwide?

3G Electric supplies the SPEEDAIRE Reverse Stem (PN21AA170G) worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this air tool replacement part for your maintenance needs.

How to install the SPEEDAIRE Reverse Stem?

To install the SPEEDAIRE Reverse Stem, first disconnect the air tool from its power source. Remove the old stem using appropriate wrenches, noting orientation. Insert the new reverse stem (PN21AA170G) in the correct direction, tighten securely, and test for proper airflow reversal before returning to service.

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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