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1531-021 — PISTON,COMPRESSOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1531-021: PISTON,COMPRESSOR.

The PISTON,COMPRESSOR is a the manufacturer industrial component. Key specifications include material: IRON CAST, oversize: 0.020 INCHES NOMINAL IN, end_item_identification: QUINCY COMPRESSOR MODEL 216, integral_connecting_rod: NOT INCLUDED, finished_size_designation: OVERSIZE. This part is cataloged in the U.S.

Government catalog under NSN 4310-01-283-5097, 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
1531-021
NSN: 4310-01-283-5097
FSC: 4310 — Compressors and Vacuum Pumps
CAGE: 49576 — QUINCY COMPRESSOR DIVISION OF COLTEC INDUSTRIES INC DBA QUINCY COMPRESSOR DIV QUINCY COMPRESSOR (USA)
SPECIFICATIONS
materialIRON CAST
oversize0.020 INCHES NOMINAL IN
end_item_identificationQUINCY COMPRESSOR MODEL 216
integral_connecting_rodNOT INCLUDED
finished_size_designationOVERSIZE
NSN4310-01-283-5097
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,COMPRESSOR TITLE COMPONENT PN 1531-021 MFR PISTON,COMPRESSOR
KEY FEATURES
•
INTEGRAL CONNECTING ROD: NOT INCLUDED
•
PIN: NOT INCLUDED
•
OVERSIZE: 0.020 INCHES NOMINAL IN
•
FINISHED SIZE DESIGNATION: OVERSIZE
•
RING: NOT INCLUDED
•
MATERIAL: IRON CAST
TECHNICAL CHARACTERISTICS
INTEGRAL CONNECTING RODNOT INCLUDED
PINNOT INCLUDED
OVERSIZE0.020 INCHES NOMINAL IN
FINISHED SIZE DESIGNATIONOVERSIZE
RINGNOT INCLUDED
END ITEM IDENTIFICATIONQUINCY COMPRESSOR MODEL 216
MATERIALIRON CAST
OTHER ITEMS IN FSC 4310 — Compressors and Vacuum Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4310-00-000-0050 4310-00-001-0059 4310-00-001-2044 4310-00-001-3477 4310-00-001-3493 4310-00-001-6194 4310-00-001-6381 4310-00-001-7755
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1531-021?
1531-021 is a PISTON,COMPRESSOR.
What is the NSN for 1531-021?
1531-021 is cataloged in the U.S. Government catalog under NSN 4310-01-283-5097. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.