2A3291 — LOCK,VALVE SPRING,RETAINER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

2A3291: LOCK,VALVE SPRING,RETAINER.

The LOCK,VALVE SPRING,RETAINER is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 2815-00-362-7986, 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

2A3291

NSN: 2815-00-362-7986
FSC: 2815 — Diesel Engines and Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)

SPECIFICATIONS

Part Number	2A3291
NSN	2815-00-362-7986

COMPONENT DIAGRAM

KEY FEATURES

•

GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,0.505 IN.OD,0.444 IN.LG,1 @OUTSIDE GROOVE CENTERED 0.222 IN.FROM EDGE,0.085 IN.WIDE,0.035 IN DEEPIST END OUTSIDE EDGE 0.025IN.RADIUS,CENTER HOLE COUNTERSINK 30 DEG ANGLE 0.050IN.DEEP,0.138 FROM OUTSIDE EDGE,0.275 IN.HOLE DIA,2NDEND OUTSIDE EDGE 45 DEG CHAMFER,0.050 IN.LG,0.342 IN.HOLE DIA,0.100 IN.FROM EDGE IN

TECHNICAL CHARACTERISTICS

GENERAL CHARACTERISTICS ITEM DESCRIPTION

STEEL,0.505 IN.OD,0.444 IN.LG,1 @OUTSIDE GROOVE CENTERED 0.222 IN.FROM EDGE,0.085 IN.WIDE,0.035 IN DEEPIST END OUTSIDE EDGE 0.025IN.RADIUS,CENTER HOLE COUNTERSINK 30 DEG ANGLE 0.050IN.DEEP,0.138 FROM OUTSIDE EDGE,0.275 IN.HOLE DIA,2NDEND OUTSIDE EDGE 45 DEG CHAMFER,0.050 IN.LG,0.342 IN.HOLE DIA,0.100 IN.FROM EDGE IN

SUBSTITUTES & CROSS-REFERENCES 5

IPD2A3291Reference document

Same NSN cross-reference

Reference document — Secondary reference

LK138Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

U137Reference document

Same NSN cross-reference

Reference document — Secondary reference

H226Reference document

Same NSN cross-reference

Reference document — Secondary reference

R158Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 2A3291?

2A3291 is a LOCK,VALVE SPRING,RETAINER.

What parts can replace 2A3291?

There are 5 known substitutes for 2A3291: IPD2A3291, LK138, U137 and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 2A3291?

2A3291 is cataloged in the U.S. Government catalog under NSN 2815-00-362-7986. This indicates validated use in U.S. government and defense supply chains.

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