0221-12-123 — LOCK,VALVE SPRING RETAINER

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

0221-12-123: LOCK,VALVE SPRING RETAINER.

The LOCK,VALVE SPRING RETAINER is a the manufacturer industrial component. Key specifications include style_designator: STRAIGHT BORE, thread_provision: UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-586-4093, 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

0221-12-123

NSN: 2815-00-586-4093
NIINs: 005864093, 011934634
FSC: 2815 — Diesel Engines and Components
CAGE: 13446 — PERKINS ENGINES INC (USA)

SPECIFICATIONS

style_designator	STRAIGHT BORE
thread_provision	UNTHREADED
NSN	2815-00-586-4093

COMPONENT DIAGRAM

KEY FEATURES

•

FIRST RIDGE RADIUS: 0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN

•

MINIMUM INSIDE DIAMETER: 0.251 INCHES IN

•

THREAD PROVISION: UNTHREADED

•

DISTANCE FROM BOTTOM TO FIRST RIDGE CENTER: 0.055 INCHES NOMINAL IN

•

LARGEST OUTSIDE DIAMETER: 0.480 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN

•

FIRST RIDGE WIDTH: 0.109 INCHES NOMINAL IN

•

LARGEST INSIDE DIAMETER: 0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
FIRST RIDGE RADIUS	0.061 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
MINIMUM INSIDE DIAMETER	0.251 INCHES IN
THREAD PROVISION	UNTHREADED
DISTANCE FROM BOTTOM TO FIRST RIDGE CENTER	0.055 INCHES NOMINAL IN
LARGEST OUTSIDE DIAMETER	0.480 INCHES MINIMUM AND 0.482 INCHES MAXIMUM IN
FIRST RIDGE WIDTH	0.109 INCHES NOMINAL IN
LARGEST INSIDE DIAMETER	0.310 INCHES MINIMUM AND 0.311 INCHES MAXIMUM IN
STYLE DESIGNATOR	STRAIGHT BORE W/ONE RIDGE
OUTSIDE INCLUDED ANGLE IN DEG	10.0

SUBSTITUTES & CROSS-REFERENCES 3

33173117Reference document

Same NSN cross-reference

Reference document — Secondary reference

33173112Reference document

Same NSN cross-reference

Reference document — Secondary reference

33173401Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 0221-12-123?

0221-12-123 is a LOCK,VALVE SPRING RETAINER.

What parts can replace 0221-12-123?

There are 3 known substitutes for 0221-12-123: 33173117, 33173112, 33173401. Substitute compatibility should be verified for your specific system.

What is the NSN for 0221-12-123?

0221-12-123 is cataloged in the U.S. Government catalog under NSN 2815-00-586-4093. This indicates validated use in U.S. government and defense supply chains.

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0221-12-123 — LOCK,VALVE SPRING RETAINER

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