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Technical Data Sheet
A-A-55587 ✓ 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, body_width: 1.940 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN, knuckle_type: FRICTION, pin_tip_style: OVAL HEAD, performance_type: NOT RATED, pin_removability: NONREMOVABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-050-3071, 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-55587
NSN: 5340-00-050-3071
FSC: 5340
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialUNABLE TO DECODE
body_width1.940 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN
knuckle_typeFRICTION
pin_tip_styleOVAL HEAD
knuckle_quantity5
performance_typeNOT RATED
pin_removabilityNONREMOVABLE
special_featuresMATERIAL AND LOCATION = STEEL,LOW CARBON,FED STD 66, BODY
style_designatorBUTT
material_thickness0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM IN
reversible_featureNOT INCLUDED
hinge_mounting_typeFULL SURFACE
NSN5340-00-050-3071
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A-A-55587 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
MATERIAL THICKNESS: 0.107 INCHES NOMINAL IN
PIN REMOVABILITY: NONREMOVABLE
MATERIAL: UNABLE TO DECODE
REVERSIBLE FEATURE: NOT INCLUDED
PIN TIP STYLE: OVAL HEAD
STYLE DESIGNATOR: BUTT
PIN CENTER TO BODY EDGE DISTANCE: 2.000 INCHES NOMINAL IN
HINGE MOUNTING TYPE: FULL SURFACE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.107 INCHES NOMINAL IN
PIN REMOVABILITYNONREMOVABLE
MATERIALUNABLE TO DECODE
REVERSIBLE FEATURENOT INCLUDED
PIN TIP STYLEOVAL HEAD
STYLE DESIGNATORBUTT
PIN CENTER TO BODY EDGE DISTANCE2.000 INCHES NOMINAL IN
HINGE MOUNTING TYPEFULL SURFACE
KNUCKLE QUANTITY5
KNUCKLE TYPEFRICTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
10862602Upgraded Successor
successor cross-reference
successor
A-A-55596Upgraded Successor
successor cross-reference
successor
MIL-P-53030AUpgraded Successor
successor cross-reference
successor
50239-01Interchangeable
interchangeable cross-reference
interchangeable
50307-1Interchangeable
interchangeable cross-reference
interchangeable
30441Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-55587?
A-A-55587 is a HINGE,BUTT.
What parts can replace A-A-55587?
There are 15 known substitutes for A-A-55587: 10862602, A-A-55596, MIL-P-53030A and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-A-55587?
A-A-55587 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-050-3071. This indicates validated use in U.S. government and defense supply chains.
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