145902 — VALVE,POPPET,ENGINE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

145902: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: MUSHROOM, stem_style: GROOVED, head_height: 0.6250 INCHES NOMINAL IN, neck_radius: 0.7500 INCHES NOMINAL IN, stem_length: 5.2540 INCHES MINIMUM AND 5.2640 INCHES MAXIMUM IN, groove_width: 0.2840 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2810-00-640-8352, 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

145902

NSN: 2810-00-640-8352
FSC: 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components
CAGE: 0AHP5 — CURTISS-WRIGHT CONTROLS, INC. DIV ACTUATION DIVISION (USA)

SPECIFICATIONS

head_style	MUSHROOM
stem_style	GROOVED
head_height	0.6250 INCHES NOMINAL IN
neck_radius	0.7500 INCHES NOMINAL IN
stem_length	5.2540 INCHES MINIMUM AND 5.2640 INCHES MAXIMUM IN
groove_width	0.2840 INCHES NOMINAL IN
stem_diameter	0.7455 INCHES MINIMUM AND 0.7460 INCHES MAXIMUM IN
groove_diameter	0.6340 INCHES MINIMUM AND 0.6360 INCHES MAXIMUM IN
outside_diameter	3.3000 INCHES NOMINAL IN
seat_angle_in_deg	45.0
carbon_relief_groove	NOT INCLUDED
distance_from_groove_to_stem_end	0.2250 INCHES NOMINAL IN
NSN	2810-00-640-8352

COMPONENT DIAGRAM

KEY FEATURES

•

STEM DIAMETER: 0.7455 INCHES MINIMUM AND 0.7460 INCHES MAXIMUM IN

•

HEAD HEIGHT: 0.6250 INCHES NOMINAL IN

•

STEM LENGTH: 5.2540 INCHES MINIMUM AND 5.2640 INCHES MAXIMUM IN

•

SEAT ANGLE IN DEG: 45.0

•

NECK RADIUS: 0.7500 INCHES NOMINAL IN

•

GROOVE DIAMETER: 0.6340 INCHES MINIMUM AND 0.6360 INCHES MAXIMUM IN

•

METALLIC HARDNESS RATING AND LOCATION: 54.0 ROCKWELL C NOMINAL TIP

•

DISTANCE FROM GROOVE TO STEM END: 0.2250 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

STEM DIAMETER	0.7455 INCHES MINIMUM AND 0.7460 INCHES MAXIMUM IN
HEAD HEIGHT	0.6250 INCHES NOMINAL IN
STEM LENGTH	5.2540 INCHES MINIMUM AND 5.2640 INCHES MAXIMUM IN
SEAT ANGLE IN DEG	45.0
NECK RADIUS	0.7500 INCHES NOMINAL IN
GROOVE DIAMETER	0.6340 INCHES MINIMUM AND 0.6360 INCHES MAXIMUM IN
METALLIC HARDNESS RATING AND LOCATION	54.0 ROCKWELL C NOMINAL TIP
DISTANCE FROM GROOVE TO STEM END	0.2250 INCHES NOMINAL IN
OUTSIDE DIAMETER	3.3000 INCHES NOMINAL IN
STEM STYLE	GROOVED

OTHER ITEMS IN FSC 2810 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

2810-00-001-3863 2810-00-001-9036 2810-00-001-9113 2810-00-001-9116 2810-00-001-9117 2810-00-001-9592 2810-00-003-5864 2810-00-004-0436

SUBSTITUTES & CROSS-REFERENCES 1

ASW145902Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 145902?

145902 is a VALVE,POPPET,ENGINE.

What parts can replace 145902?

There is 1 known substitute for 145902: ASW145902. Substitute compatibility should be verified for your specific system.

What is the NSN for 145902?

145902 is cataloged in the U.S. Government catalog under NSN 2810-00-640-8352. This indicates validated use in U.S. government and defense supply chains.

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145902 — VALVE,POPPET,ENGINE

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