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Technical Data Sheet
A-A-55591 ✓ 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 HINGE,BUTT is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, rising_pin: NOT INCLUDED, knuckle_type: FRICTION, pin_diameter: 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN, overall_length: 15.970 INCHES MINIMUM AND 16.030 INCHES MAXIMUM IN, knuckle_quantity: 115. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-053-7127, 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-55591
NSN: 5340-01-053-7127
FSC: 5340
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
rising_pinNOT INCLUDED
knuckle_typeFRICTION
pin_diameter0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN
overall_length15.970 INCHES MINIMUM AND 16.030 INCHES MAXIMUM IN
knuckle_quantity115
performance_typeNOT RATED
pin_removabilityREMOVABLE
special_featuresSEE DRAWING FOR DRILLED HOLES LOCATIONS
style_designatorBUTT
material_thickness0.046 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN
reversible_featureNOT INCLUDED
NSN5340-01-053-7127
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-A-55591 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
13208Interchangeable
interchangeable cross-reference
interchangeable
B812192-1Interchangeable
interchangeable cross-reference
interchangeable
A-A-55591Interchangeable
interchangeable cross-reference
interchangeable
MS35823-7AInterchangeable
interchangeable cross-reference
interchangeable
AA55591-5CInterchangeable
interchangeable cross-reference
interchangeable
MS35823-5CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-55591?
A-A-55591 is a HINGE,BUTT.
What parts can replace A-A-55591?
There are 18 known substitutes for A-A-55591: 13208, B812192-1, A-A-55591 and 15 more. Substitute compatibility should be verified for your specific system.
Is A-A-55591 still available?
A-A-55591 is currently cancelled.
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