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MILH001237TYPE2CLASS1GRADEB — HINGE,BUTT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MILH001237TYPE2CLASS1GRADEB: HINGE,BUTT.

The HINGE,BUTT is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, body_width: 3.500 INCHES NOMINAL IN, rising_pin: NOT INCLUDED, knuckle_type: FRICTION, performance_type: REGULAR DUTY, pin_removability: REMOVABLE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-080-8518, 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
MILH001237TYPE2CLASS1GRADEB
NSN: 5340-00-080-8518
FSC: 5340 — Hardware, Commercial
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialUNABLE TO DECODE
body_width3.500 INCHES NOMINAL IN
rising_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_quantity5
performance_typeREGULAR DUTY
pin_removabilityREMOVABLE
style_designatorBUTT
material_thickness0.123 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
hinge_mounting_typeFULL SURFACE
mounting_hole_diameter0.193 INCHES NOMINAL IN
NSN5340-00-080-8518
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MILH001237TYPE2CLASS1GRADEB 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
•
MOUNTING HOLE QUANTITY: 6
•
REVERSIBLE FEATURE: NOT INCLUDED
•
BODY WIDTH: 3.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BUTT
•
MOUNTING HOLE DIAMETER: 0.193 INCHES NOMINAL IN
•
PIN CENTER TO BODY EDGE DISTANCE: 1.500 INCHES NOMINAL IN
•
HINGE MOUNTING TYPE: FULL SURFACE
•
MATERIAL THICKNESS: 0.123 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY6
REVERSIBLE FEATURENOT INCLUDED
BODY WIDTH3.500 INCHES NOMINAL IN
STYLE DESIGNATORBUTT
MOUNTING HOLE DIAMETER0.193 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE1.500 INCHES NOMINAL IN
HINGE MOUNTING TYPEFULL SURFACE
MATERIAL THICKNESS0.123 INCHES NOMINAL IN
PIN REMOVABILITYREMOVABLE
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 1 CLASS AND B GRADE
SUBSTITUTES & CROSS-REFERENCES 2
A-A-50432Reference document
Same NSN cross-reference
Reference document — Identification reference
AA50432 TYII,CLI STB 3.5X3.5 1.5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MILH001237TYPE2CLASS1GRADEB?
MILH001237TYPE2CLASS1GRADEB is a HINGE,BUTT.
What parts can replace MILH001237TYPE2CLASS1GRADEB?
There are 2 known substitutes for MILH001237TYPE2CLASS1GRADEB: A-A-50432, AA50432 TYII,CLI STB 3.5X3.5 1.5. Substitute compatibility should be verified for your specific system.
What is the NSN for MILH001237TYPE2CLASS1GRADEB?
MILH001237TYPE2CLASS1GRADEB is cataloged in the U.S. Government catalog under NSN 5340-00-080-8518. 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.