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V-1640X — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

V-1640X: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: FLAT, stem_style: DOUBLE GROOVED, stem_length: 5.0781 INCHES NOMINAL IN, stem_diameter: 0.3720 INCHES NOMINAL IN, outside_diameter: 1.6562 INCHES NOMINAL IN, seat_angle_in_deg: 30.0. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-075-3315, 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
V-1640X
NSN: 2805-00-075-3315
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
head_styleFLAT
stem_styleDOUBLE GROOVED
stem_length5.0781 INCHES NOMINAL IN
stem_diameter0.3720 INCHES NOMINAL IN
outside_diameter1.6562 INCHES NOMINAL IN
seat_angle_in_deg30.0
carbon_relief_grooveNOT INCLUDED
NSN2805-00-075-3315
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN V-1640X MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.3720 INCHES NOMINAL IN
•
STEM LENGTH: 5.0781 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 30.0
•
OUTSIDE DIAMETER: 1.6562 INCHES NOMINAL IN
•
STEM STYLE: DOUBLE GROOVED
•
HEAD STYLE: FLAT
•
CARBON RELIEF GROOVE: NOT INCLUDED
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.3720 INCHES NOMINAL IN
STEM LENGTH5.0781 INCHES NOMINAL IN
SEAT ANGLE IN DEG30.0
OUTSIDE DIAMETER1.6562 INCHES NOMINAL IN
STEM STYLEDOUBLE GROOVED
HEAD STYLEFLAT
CARBON RELIEF GROOVENOT INCLUDED
OTHER ITEMS IN FSC 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2805-00-010-2959 2805-00-066-3426 2805-00-326-0797 2805-00-395-7778 2805-00-422-9321 2805-00-447-9114 2805-00-448-0786 2805-00-561-9463
SUBSTITUTES & CROSS-REFERENCES 6
V1890NReference document
Same NSN cross-reference
Reference document — Secondary reference
1744Reference document
Same NSN cross-reference
Reference document — Secondary reference
VI-1038Reference document
Same NSN cross-reference
Reference document — Secondary reference
V-1886XReference document
Same NSN cross-reference
Reference document — Secondary reference
234275R1Reference document
Same NSN cross-reference
Reference document — Secondary reference
V-1744Reference 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 V-1640X?
V-1640X is a VALVE,POPPET,ENGINE.
What parts can replace V-1640X?
There are 6 known substitutes for V-1640X: V1890N, 1744, VI-1038 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for V-1640X?
V-1640X is cataloged in the U.S. Government catalog under NSN 2805-00-075-3315. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.