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9N180 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

9N180: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT, stem_style: DOUBLE GROOVED, head_height: 0.1710 INCHES NOMINAL IN, neck_radius: 0.4420 INCHES NOMINAL IN, stem_length: 5.7380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2805-01-048-0991, 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
9N180
NSN: 2805-01-048-0991
FSC: 2805 — Gasoline Reciprocating Engines, Except Aircraft; and Components
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT
stem_styleDOUBLE GROOVED
head_height0.1710 INCHES NOMINAL IN
neck_radius0.4420 INCHES NOMINAL IN
stem_length5.7380 INCHES NOMINAL IN
stem_diameter0.3730 INCHES NOMINAL IN
chamfer_length0.1250 INCHES NOMINAL IN
outside_diameter1.8940 INCHES NOMINAL IN
seat_angle_in_deg30.0
first_groove_width0.0625 INCHES NOMINAL IN
second_groove_width0.0625 INCHES NOMINAL IN
NSN2805-01-048-0991
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 9N180 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.3730 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.1710 INCHES NOMINAL IN
•
SECOND GROOVE WIDTH: 0.0625 INCHES NOMINAL IN
•
STEM LENGTH: 5.7380 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 30.0
•
CHAMFER LENGTH: 0.1250 INCHES NOMINAL IN
•
NECK RADIUS: 0.4420 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.8940 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.3730 INCHES NOMINAL IN
HEAD HEIGHT0.1710 INCHES NOMINAL IN
SECOND GROOVE WIDTH0.0625 INCHES NOMINAL IN
STEM LENGTH5.7380 INCHES NOMINAL IN
SEAT ANGLE IN DEG30.0
CHAMFER LENGTH0.1250 INCHES NOMINAL IN
NECK RADIUS0.4420 INCHES NOMINAL IN
OUTSIDE DIAMETER1.8940 INCHES NOMINAL IN
DISTANCE FROM FIRST GROOVE TO STEM END0.2812 INCHES NOMINAL IN
STEM STYLEDOUBLE GROOVED
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9N180?
9N180 is a VALVE,POPPET,ENGINE.
What is the NSN for 9N180?
9N180 is cataloged in the U.S. Government catalog under NSN 2805-01-048-0991. 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.