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748396 — HINGE,BUTT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

748396: HINGE,BUTT.

The HINGE,BUTT is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, temp_rating: -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 16.418 INCHES MINIMUM AND 16.592 INCHES MAXIMUM IN, center_hole_diameter: 15.880 INCHES MINIMUM AND 16.030 INCHES MAXIMUM IN, elongation_percentage: 331 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-044-1437, 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
748396
NSN: 5340-01-044-1437
NIINs: 010441437, 011502733
FSC: 5340 — Hardware, Commercial
CAGE: 18894 — AIR ARMAMENT CENTER/ EN (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
temp_rating-30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter16.418 INCHES MINIMUM AND 16.592 INCHES MAXIMUM IN
center_hole_diameter15.880 INCHES MINIMUM AND 16.030 INCHES MAXIMUM IN
elongation_percentage331 MAXIMUM
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
NSN5340-01-044-1437
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 748396 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
•
PIN DIAMETER: 0.500 INCHES NOMINAL IN
•
MOUNTING HOLE QUANTITY: 40
•
REVERSIBLE FEATURE: NOT INCLUDED
•
MOUNTING HOLE DIAMETER: 0.331 INCHES NOMINAL IN
•
HINGE MOUNTING TYPE: FULL SURFACE
•
MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
PIN REMOVABILITY: NONREMOVABLE
TECHNICAL CHARACTERISTICS
PIN DIAMETER0.500 INCHES NOMINAL IN
MOUNTING HOLE QUANTITY40
REVERSIBLE FEATURENOT INCLUDED
MOUNTING HOLE DIAMETER0.331 INCHES NOMINAL IN
OVERALL LENGTH76.000 INCHES NOMINAL IN
HINGE MOUNTING TYPEFULL SURFACE
MATERIAL THICKNESS0.125 INCHES NOMINAL IN
PIN REMOVABILITYNONREMOVABLE
KNUCKLE QUANTITY19
MATERIALUNABLE TO DECODE
SUBSTITUTES & CROSS-REFERENCES 3
3X1 1/2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
76C05098Reference document
Same NSN cross-reference
Reference document — Secondary reference
748396-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 748396?
748396 is a HINGE,BUTT.
What parts can replace 748396?
There are 3 known substitutes for 748396: 3X1 1/2, 76C05098, 748396-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 748396?
748396 is cataloged in the U.S. Government catalog under NSN 5340-01-044-1437. This indicates validated use in U.S. government and defense supply chains.
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