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AAB53 — VALVE,POPPET,ENGINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

AAB53: VALVE,POPPET,ENGINE.

The VALVE,POPPET,ENGINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT, stem_style: GROOVED, head_height: 0.1000 INCHES NOMINAL IN, neck_radius: 0.3437 INCHES NOMINAL IN, stem_length: 3.1570 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2815-00-485-9919, 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
AAB53
NSN: 2815-00-485-9919
FSC: 2815 — Diesel Engines and Components
CAGE: 53990 — PETRODYNE FIELD ENERGY SYSTEMS CO DBA PFESCO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT
stem_styleGROOVED
head_height0.1000 INCHES NOMINAL IN
neck_radius0.3437 INCHES NOMINAL IN
stem_length3.1570 INCHES NOMINAL IN
groove_width0.0970 INCHES NOMINAL IN
stem_diameter0.2500 INCHES NOMINAL IN
groove_diameter0.1880 INCHES NOMINAL IN
outside_diameter1.0000 INCHES NOMINAL IN
seat_angle_in_deg45.0
carbon_relief_grooveNOT INCLUDED
NSN2815-00-485-9919
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POPPET,ENGINE TITLE COMPONENT PN AAB53 MFR VALVE,POPPET,ENGINE
KEY FEATURES
•
STEM DIAMETER: 0.2500 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.1000 INCHES NOMINAL IN
•
STEM LENGTH: 3.1570 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 45.0
•
NECK RADIUS: 0.3437 INCHES NOMINAL IN
•
GROOVE DIAMETER: 0.1880 INCHES NOMINAL IN
•
DISTANCE FROM GROOVE TO STEM END: 0.1130 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.0000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STEM DIAMETER0.2500 INCHES NOMINAL IN
HEAD HEIGHT0.1000 INCHES NOMINAL IN
STEM LENGTH3.1570 INCHES NOMINAL IN
SEAT ANGLE IN DEG45.0
NECK RADIUS0.3437 INCHES NOMINAL IN
GROOVE DIAMETER0.1880 INCHES NOMINAL IN
DISTANCE FROM GROOVE TO STEM END0.1130 INCHES NOMINAL IN
OUTSIDE DIAMETER1.0000 INCHES NOMINAL IN
STEM STYLEGROOVED
HEAD STYLEFLAT
OTHER ITEMS IN FSC 2815 — Diesel Engines and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2815-00-011-9099 2815-00-017-1875 2815-00-024-4185 2815-00-033-1482 2815-00-036-5350 2815-00-179-7630 2815-00-346-4639 2815-00-592-5308
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 AAB53?
AAB53 is a VALVE,POPPET,ENGINE.
What is the NSN for AAB53?
AAB53 is cataloged in the U.S. Government catalog under NSN 2815-00-485-9919. 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.