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4127000-40 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4127000-40: 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 5340-01-007-0919, 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
4127000-40
NSN: 5340-01-007-0919
FSC: 5340 — Hardware, Commercial
CAGE: 7EK50 — TEXTRON AVIATION INC (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 RIGHT 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
NSN5340-01-007-0919
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4127000-40 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
•
REVERSIBLE FEATURE: NOT INCLUDED
•
KNUCKLE INSIDE DIAMETER: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BUTT BLANK
•
HINGE PIN: NOT INCLUDED
•
MATERIAL THICKNESS: 0.103 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
•
KNUCKLE QUANTITY: 21
•
END KNUCKLE LENGTH: 0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
REVERSIBLE FEATURENOT INCLUDED
KNUCKLE INSIDE DIAMETER0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
STYLE DESIGNATORBUTT BLANK
OVERALL LENGTH20.450 INCHES NOMINAL IN
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.103 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
KNUCKLE QUANTITY21
END KNUCKLE LENGTH0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
KNUCKLE LENGTH0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
SPECIAL FEATURESFOR RIGHT HAND APPLICATION
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4127000-40?
4127000-40 is a LEAF,BUTT HINGE.
What is the NSN for 4127000-40?
4127000-40 is cataloged in the U.S. Government catalog under NSN 5340-01-007-0919. 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.