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Technical Data Sheet
PartsTable / COMPONENT / AA7-U-127
AA7-U-127 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The GASKET SET is a the manufacturer industrial component. Key specifications include component_quantity: 11. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-580-8590, 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
AA7-U-127
NSN: 5330-00-580-8590
FSC: 5330
CAGE: 1H6M3 — AMERICAN TERRA VEHICLES INC (USA)
SPECIFICATIONS
component_quantity11
NSN5330-00-580-8590
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AA7-U-127 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
COMPONENT QUANTITY: 11
•
NONSUPPLY ITEMS AND QUANTITIES: 14351 AA7-A-203 GASKET 1 AND14351 AA7-A-305 GASKET 1 AND 14351 AA7-B-301 GASKET 1 AND 14351 AA7-B-302 GASKET 1 AND 14351 AA7-B-309 GASKET 1 AND 14351 AA7-B-311 GASKET 1 AND 14351 AA7-F-291 GASKET 2 AND 14351 AA7-M-227 GASKET 1 AND AA7-U-125 GASKET SET 1 AND AA7-U-127 GASKET SET 1
TECHNICAL CHARACTERISTICS (FLIS)
COMPONENT QUANTITY11
NONSUPPLY ITEMS AND QUANTITIES14351 AA7-A-203 GASKET 1 AND14351 AA7-A-305 GASKET 1 AND 14351 AA7-B-301 GASKET 1 AND 14351 AA7-B-302 GASKET 1 AND 14351 AA7-B-309 GASKET 1 AND 14351 AA7-B-311 GASKET 1 AND 14351 AA7-F-291 GASKET 2 AND 14351 AA7-M-227 GASKET 1 AND AA7-U-125 GASKET SET 1 AND AA7-U-127 GASKET SET 1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
F025Interchangeable
interchangeable cross-reference
interchangeable
3L250Interchangeable
interchangeable cross-reference
interchangeable
3LC250Interchangeable
interchangeable cross-reference
interchangeable
115657042PC9Interchangeable
interchangeable cross-reference
interchangeable
0-2-3-5Interchangeable
interchangeable cross-reference
interchangeable
5331PL0755450Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA7-U-127?
AA7-U-127 is a GASKET SET.
What parts can replace AA7-U-127?
There are 12 known substitutes for AA7-U-127: F025, 3L250, 3LC250 and 9 more. Substitute compatibility should be verified for your specific system.
Is AA7-U-127 still available?
AA7-U-127 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026