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2AH857 — VACUUM CUP,LEAK DETECTOR,PISTON

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

2AH857: VACUUM CUP,LEAK DETECTOR,PISTON.

VACUUM CUP,LEAK DETECTOR,PISTON. Key specifications include special_features: COMPONENT OF KENT-MOORE NO. J-23987-B PISTON PIN RETAINER LEAK DETECTOR, end_item_identification: DETROIT DIESEL SERIES 149 ENGINES.

This part is cataloged in the U.S. Government catalog under NSN 5210-01-061-4254, 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
2AH857
NSN: 5210-01-061-4254
FSC: 5210 — Measuring Tools, Craftsmen's
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
special_featuresCOMPONENT OF KENT-MOORE NO. J-23987-B PISTON PIN RETAINER LEAK DETECTOR
end_item_identificationDETROIT DIESEL SERIES 149 ENGINES
NSN5210-01-061-4254
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VACUUM CUP,LEAK DETECTOR,PISTON TITLE COMPONENT PN 2AH857 MFR VACUUM CUP,LEAK DETECT
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCOMPONENT OF KENT-MOORE NO. J-23987-B PISTON PIN RETAINER LEAK DETECTOR
END ITEM IDENTIFICATIONDETROIT DIESEL SERIES 149 ENGINES
OTHER ITEMS IN FSC 5210 — Measuring Tools, Craftsmen's
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5210-00-001-2645 5210-00-003-2896 5210-00-003-3046 5210-00-003-7501 5210-00-003-7532 5210-00-003-9939 5210-00-003-9941 5210-00-004-0663
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2AH857?
2AH857 is a VACUUM CUP,LEAK DETECTOR,PISTON.
What is the NSN for 2AH857?
2AH857 is cataloged in the U.S. Government catalog under NSN 5210-01-061-4254. 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.