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71043C1 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

71043C1: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include head_style: FLAT, stem_style: GROOVED, head_height: 0.1564 INCHES MINIMUM AND 0.1664 INCHES MAXIMUM IN, neck_radius: 0.3125 INCHES NOMINAL IN, stem_length: 6.1641 INCHES MINIMUM AND 6.1791 INCHES MAXIMUM IN, groove_width: 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-00-424-2795, 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
71043C1
NSN: 2805-00-424-2795
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 0SAT8 — KOMATSU AMERICA CORP. (USA)
SPECIFICATIONS
head_styleFLAT
stem_styleGROOVED
head_height0.1564 INCHES MINIMUM AND 0.1664 INCHES MAXIMUM IN
neck_radius0.3125 INCHES NOMINAL IN
stem_length6.1641 INCHES MINIMUM AND 6.1791 INCHES MAXIMUM IN
groove_width0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
stem_diameter0.3080 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM IN
chamfer_length0.0312 INCHES NOMINAL IN
groove_diameter0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN
outside_diameter1.5570 INCHES MINIMUM AND 1.5670 INCHES MAXIMUM IN
seat_angle_in_deg45.0
carbon_relief_grooveNOT INCLUDED
NSN2805-00-424-2795
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 71043C1 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.3080 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM IN
•
FSC APPLICATION DATA: GASOLINE ENGINE
•
HEAD HEIGHT: 0.1564 INCHES MINIMUM AND 0.1664 INCHES MAXIMUM IN
•
STEM LENGTH: 6.1641 INCHES MINIMUM AND 6.1791 INCHES MAXIMUM IN
•
SEAT ANGLE IN DEG: 45.0
•
CHAMFER LENGTH: 0.0312 INCHES NOMINAL IN
•
NECK RADIUS: 0.3125 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.3080 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM IN
FSC APPLICATION DATAGASOLINE ENGINE
HEAD HEIGHT0.1564 INCHES MINIMUM AND 0.1664 INCHES MAXIMUM IN
STEM LENGTH6.1641 INCHES MINIMUM AND 6.1791 INCHES MAXIMUM IN
SEAT ANGLE IN DEG45.0
CHAMFER LENGTH0.0312 INCHES NOMINAL IN
NECK RADIUS0.3125 INCHES NOMINAL IN
GROOVE DIAMETER0.2670 INCHES MINIMUM AND 0.2730 INCHES MAXIMUM IN
METALLIC HARDNESS RATING AND LOCATION40.0 ROCKWELL C MAXIMUM STEM
METALLIC HARDNESS RATING AND LOCATION30.0 ROCKWELL C MINIMUM STEM
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.
2805-00-000-4022 2805-00-001-0029 2805-00-001-3527 2805-00-001-3844 2805-00-001-3854 2805-00-001-6154 2805-00-001-6164 2805-00-001-6575
SUBSTITUTES & CROSS-REFERENCES 4
MH5000-100A6Reference document
Same NSN cross-reference
Reference document — Secondary reference
099-AE768Reference document
Same NSN cross-reference
Reference document — Secondary reference
CV1462Reference document
Same NSN cross-reference
Reference document — Secondary reference
H5000-100A6Reference 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 71043C1?
71043C1 is a VALVE,POPPET,ENGINE.
What parts can replace 71043C1?
There are 4 known substitutes for 71043C1: MH5000-100A6, 099-AE768, CV1462 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 71043C1?
71043C1 is cataloged in the U.S. Government catalog under NSN 2805-00-424-2795. 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.