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4127000-39 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4127000-39: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OVERALL, hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, knuckle_length: 0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN, overall_length: 20.450 INCHES NOMINAL IN, knuckle_quantity: 21. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-687-7586, 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
4127000-39
NSN: 5340-00-687-7586
NIINs: 006877586, 010054199
FSC: 5340 — Hardware, Commercial
CAGE: 14170 — HUGHES MISSILE SYSTEMS CO SAN DIEGO (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_length0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
overall_length20.450 INCHES NOMINAL IN
knuckle_quantity21
performance_typeNOT RATED
special_featuresFOR LEFT HAND APPLICATION
style_designatorBUTT BLANK
surface_treatmentANODIZE OVERALL
end_knuckle_length0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
material_thickness0.103 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
NSN5340-00-687-7586
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4127000-39 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
SUBSTITUTES & CROSS-REFERENCES 8
MS20001PN12Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS20001PH12Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS20001Reference document
Same NSN cross-reference
Reference document — Identification reference
MS20001X12-1502Reference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
MS20001PH12-7200Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A02S8067-86Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 4127000-39?
4127000-39 is a LEAF,BUTT HINGE.
What parts can replace 4127000-39?
There are 8 known substitutes for 4127000-39: MS20001PN12, MS20001PH12, MS20001 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4127000-39?
4127000-39 is cataloged in the U.S. Government catalog under NSN 5340-00-687-7586. 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.