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A-A-55592 — HINGE,BUTT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A-A-55592: HINGE,BUTT.

The HINGE,BUTT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052 OVERALL, overall_length: 120.000 INCHES NOMINAL IN, overall_diameter: 0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN, material_document_and_classification: QQ-A-225/7,0 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-136-2766, 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
A-A-55592
NSN: 5340-00-136-2766
NIINs: 001362766, 010541583, 010541584, 010541766, 010541767, 010541768, 010554193, 010554195, 010554197, 010554204, 010554206, 010554939, 010563063, 011188098, 012646507, 012662667, 012854101, 013183410
FSC: 5340 — Hardware, Commercial
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052 OVERALL
overall_length120.000 INCHES NOMINAL IN
overall_diameter0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
material_document_and_classificationQQ-A-225/7,0 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5340-00-136-2766
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-A-55592 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
•
OVERALL DIAMETER: 0.125 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.125 INCHES NOMINAL IN
OVERALL LENGTH84.000 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
MS27990-4CReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
AA55592-17CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 A-A-55592?
A-A-55592 is a HINGE,BUTT.
What parts can replace A-A-55592?
There are 2 known substitutes for A-A-55592: MS27990-4C, AA55592-17C. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-55592?
A-A-55592 is cataloged in the U.S. Government catalog under NSN 5340-00-136-2766. 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.