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PartsTable / COMPONENT / 81081AS
81081AS ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT, stem_style: GROOVED, head_height: 0.2050 INCHES NOMINAL IN, neck_radius: 0.7500 INCHES NOMINAL IN, stem_length: 5.5450 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-214-3871, 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
81081AS
NSN: 2815-00-214-3871
FSC: 2815
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT
stem_styleGROOVED
head_height0.2050 INCHES NOMINAL IN
neck_radius0.7500 INCHES NOMINAL IN
stem_length5.5450 INCHES NOMINAL IN
groove_width0.1340 INCHES NOMINAL IN
stem_diameter0.4360 INCHES NOMINAL IN
chamfer_length0.0250 INCHES NOMINAL IN
groove_diameter0.3620 INCHES NOMINAL IN
outside_diameter2.2480 INCHES NOMINAL IN
special_featuresFURNISHED W/SPRING SEAT AND LOCKS
NSN2815-00-214-3871
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN 81081AS MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
CARBON RELIEF GROOVE: NOT INCLUDED
•
STEM LENGTH: 5.5450 INCHES NOMINAL IN
•
STEM DIAMETER: 0.4360 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
NECK RADIUS: 0.7500 INCHES NOMINAL IN
•
STEM STYLE: GROOVED
•
SEAT ANGLE IN DEG: 45.0
TECHNICAL CHARACTERISTICS (FLIS)
CARBON RELIEF GROOVENOT INCLUDED
STEM LENGTH5.5450 INCHES NOMINAL IN
SPECIAL FEATURESFURNISHED W/SPRING SEAT AND LOCKS
STEM DIAMETER0.4360 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
NECK RADIUS0.7500 INCHES NOMINAL IN
STEM STYLEGROOVED
SEAT ANGLE IN DEG45.0
CHAMFER ANGLE IN DEG45.0
HEAD STYLEFLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
8108-3Interchangeable
interchangeable cross-reference
interchangeable
8108-1Interchangeable
interchangeable cross-reference
interchangeable
26400Interchangeable
interchangeable cross-reference
interchangeable
4274-44Interchangeable
interchangeable cross-reference
interchangeable
3-60007Interchangeable
interchangeable cross-reference
interchangeable
13769Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81081AS?
81081AS is a VALVE,POPPET,ENGINE.
What parts can replace 81081AS?
There are 10 known substitutes for 81081AS: 8108-3, 8108-1, 26400 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81081AS?
81081AS is cataloged in the Federal Logistics Information System (FLIS) under NSN 2815-00-214-3871. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026