250533R4 — VALVE,POPPET,ENGINE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

250533R4: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: MUSHROOM, stem_style: GROOVED, head_height: 0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN, neck_radius: 0.8125 INCHES NOMINAL IN, stem_length: 8.5370 INCHES MINIMUM AND 8.5520 INCHES MAXIMUM IN, groove_width: 0.1320 INCHES MINIMUM AND 0.1420 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-517-9923, 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

250533R4

NSN: 2815-00-517-9923
FSC: 2815 — Diesel Engines and Components
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)

SPECIFICATIONS

head_style	MUSHROOM
stem_style	GROOVED
head_height	0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
neck_radius	0.8125 INCHES NOMINAL IN
stem_length	8.5370 INCHES MINIMUM AND 8.5520 INCHES MAXIMUM IN
groove_width	0.1320 INCHES MINIMUM AND 0.1420 INCHES MAXIMUM IN
stem_diameter	0.4940 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM IN
chamfer_length	0.0200 INCHES NOMINAL IN
groove_diameter	0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN
outside_diameter	2.0900 INCHES MINIMUM AND 2.1000 INCHES MAXIMUM IN
seat_angle_in_deg	45.0
carbon_relief_groove	INCLUDED
NSN	2815-00-517-9923

COMPONENT DIAGRAM

KEY FEATURES

•

STEM DIAMETER: 0.4940 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM IN

•

FSC APPLICATION DATA: DIESEL ENGINE

•

HEAD HEIGHT: 0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN

•

STEM LENGTH: 8.5370 INCHES MINIMUM AND 8.5520 INCHES MAXIMUM IN

•

SEAT ANGLE IN DEG: 45.0

•

CHAMFER LENGTH: 0.0200 INCHES NOMINAL IN

•

NECK RADIUS: 0.8125 INCHES NOMINAL IN

•

GROOVE DIAMETER: 0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

STEM DIAMETER	0.4940 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM IN
FSC APPLICATION DATA	DIESEL ENGINE
HEAD HEIGHT	0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
STEM LENGTH	8.5370 INCHES MINIMUM AND 8.5520 INCHES MAXIMUM IN
SEAT ANGLE IN DEG	45.0
CHAMFER LENGTH	0.0200 INCHES NOMINAL IN
NECK RADIUS	0.8125 INCHES NOMINAL IN
GROOVE DIAMETER	0.4220 INCHES MINIMUM AND 0.4280 INCHES MAXIMUM IN
METALLIC HARDNESS RATING AND LOCATION	50.0 ROCKWELL C MINIMUM TIP
METALLIC HARDNESS RATING AND LOCATION	27.0 ROCKWELL C MINIMUM HEAD

SUBSTITUTES & CROSS-REFERENCES 4

250533R5Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

250533R2Reference document

Same NSN cross-reference

Reference document — Secondary reference

S1960NSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

S1960Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 250533R4?

250533R4 is a VALVE,POPPET,ENGINE.

What parts can replace 250533R4?

There are 4 known substitutes for 250533R4: 250533R5, 250533R2, S1960N and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 250533R4?

250533R4 is cataloged in the U.S. Government catalog under NSN 2815-00-517-9923. This indicates validated use in U.S. government and defense supply chains.

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250533R4 — VALVE,POPPET,ENGINE

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