PartsTable
Technical Data Sheet
PartsTable / COMPONENT / AP28442
AP28442 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The RING SET,PISTON is a the manufacturer industrial component. Key specifications include special_features: GRUMMAN AIRCRAFT CORP,A-10 AIRCRAFT, standard_bore_diameter: 1.4375 INCHES IN, ring_set_component_parts: INNER RING,R-22507,16004;1; OUTER RING,R-22506,16004,1. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-679-8815, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AP28442
NSN: 4310-00-679-8815
FSC: 4310
CAGE: 5RQL2 — DRS ENVIRONMENTAL SYSTEMS INC (USA)
SPECIFICATIONS
special_featuresGRUMMAN AIRCRAFT CORP,A-10 AIRCRAFT
standard_bore_diameter1.4375 INCHES IN
ring_set_component_partsINNER RING,R-22507,16004;1; OUTER RING,R-22506,16004,1
piston_accommodation_quantity2
NSN4310-00-679-8815
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RING SET,PISTON TITLE COMPONENT PN AP28442 MFR RING SET,PISTON
KEY FEATURES
•
STANDARD BORE DIAMETER: 1.4375 INCHES IN
•
PISTON ACCOMMODATION QUANTITY: 2
•
RING SET COMPONENT PARTS: INNER RING,R-22507,16004;1; OUTER RING,R-22506,16004,1
TECHNICAL CHARACTERISTICS (FLIS)
STANDARD BORE DIAMETER1.4375 INCHES IN
PISTON ACCOMMODATION QUANTITY2
SPECIAL FEATURESGRUMMAN AIRCRAFT CORP,A-10 AIRCRAFT
RING SET COMPONENT PARTSINNER RING,R-22507,16004;1; OUTER RING,R-22506,16004,1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
637597Interchangeable
interchangeable cross-reference
interchangeable
28442Interchangeable
interchangeable cross-reference
interchangeable
R21127Interchangeable
interchangeable cross-reference
interchangeable
382056Interchangeable
interchangeable cross-reference
interchangeable
355PC18Interchangeable
interchangeable cross-reference
interchangeable
2132HXInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy AP28442?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is AP28442?
AP28442 is a RING SET,PISTON.
What parts can replace AP28442?
There are 11 known substitutes for AP28442: 637597, 28442, R21127 and 8 more. Substitute compatibility should be verified for your specific system.
Is AP28442 still available?
AP28442 is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AP28442

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026