PartsTable
Technical Data Sheet
Download PDF

1820-25 — PISTON,COMPRESSOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1820-25: PISTON,COMPRESSOR.

The PISTON,COMPRESSOR is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, center_hole_diameter: 1.353 INCHES MINIMUM AND 1.365 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4310-00-143-6926, 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
1820-25
NSN: 4310-00-143-6926
NIINs: 001436926, 005570363, 006331278
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 82722 — WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP DBA WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter1.353 INCHES MINIMUM AND 1.365 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN4310-00-143-6926
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,COMPRESSOR TITLE COMPONENT PN 1820-25 MFR PISTON,COMPRESSOR
KEY FEATURES
•
INTEGRAL CONNECTING ROD: NOT INCLUDED
•
RETAINING RING GROOVE: INCLUDED
•
SURFACE FINISH: FINISHED
•
OIL PASSAGE TYPE: HOLE
•
DIAMETER: 4.986 INCHES NOMINAL IN
•
DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP: 2.254 INCHES NOMINAL IN
•
PIN: NOT INCLUDED
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT4.936 INCHES NOMINAL IN
INTEGRAL CONNECTING RODNOT INCLUDED
RETAINING RING GROOVEINCLUDED
SURFACE FINISHFINISHED
OIL PASSAGE TYPEHOLE
DIAMETER4.986 INCHES NOMINAL IN
DISTANCE FROM PIN HOLE CENTER TO EXTREME TOP2.254 INCHES NOMINAL IN
PINNOT INCLUDED
HEAD STYLEFLAT
RING GROOVE QUANTITY3
SUBSTITUTES & CROSS-REFERENCES 3
C58449-3PC13Reference document
Same NSN cross-reference
Reference document — Secondary reference
AX8-428Reference document
Same NSN cross-reference
Reference document — Secondary reference
AH8-428Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 1820-25?
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 1820-25?
1820-25 is a PISTON,COMPRESSOR.
What parts can replace 1820-25?
There are 3 known substitutes for 1820-25: C58449-3PC13, AX8-428, AH8-428. Substitute compatibility should be verified for your specific system.
What is the NSN for 1820-25?
1820-25 is cataloged in the U.S. Government catalog under NSN 4310-00-143-6926. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1820-25

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.