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Technical Data Sheet
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99277 — SEAL ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

99277: SEAL ASSEMBLY.

The SEAL ASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: ENGINE MODEL F404-GE-400. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-531-0518, 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
99277
NSN: 5365-00-531-0518
NIINs: 005310518, 005999873, 011397041
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
end_item_identificationENGINE MODEL F404-GE-400
NSN5365-00-531-0518
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAL ASSEMBLY TITLE COMPONENT PN 99277 MFR SEAL ASSEMBLY
KEY FEATURES
•
FSC APPLICATION DATA: 1. PUMP,AIRCRAFT HYDRAULIC SYSTEM
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OUTSIDE DIAMETER: 1.500 INCHES NOMINAL IN
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OVERALL THICKNESS: 0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
•
INSIDE DIAMETER: 1.187 INCHES MINIMUM AND 1.192 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 1045
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATA1. PUMP,AIRCRAFT HYDRAULIC SYSTEM
OUTSIDE DIAMETER1.500 INCHES NOMINAL IN
OVERALL THICKNESS0.095 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
INSIDE DIAMETER1.187 INCHES MINIMUM AND 1.192 INCHES MAXIMUM IN
MATERIALSTEEL COMP 1045
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 99277?
99277 is a SEAL ASSEMBLY.
What is the NSN for 99277?
99277 is cataloged in the U.S. Government catalog under NSN 5365-00-531-0518. 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.