LK138 — LOCK,VALVE SPRING,RETAINER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

LK138: 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

LK138

NSN: 2815-00-362-7986
FSC: 2815 — Diesel Engines and Components
CAGE: 31033 — TRW INC TRW INTL TRADE GOVERNMENT SALES DEPT (USA)

SPECIFICATIONS

Part Number	LK138
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 4

IPD2A3291Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 LK138?

LK138 is a LOCK,VALVE SPRING,RETAINER.

What parts can replace LK138?

There are 4 known substitutes for LK138: IPD2A3291, U137, H226 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for LK138?

LK138 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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