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342444-1 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

342444-1: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, knuckle_length: 0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN, overall_length: 35.820 INCHES NOMINAL IN, knuckle_quantity: 24, performance_type: NOT RATED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-784-4925, 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
342444-1
NSN: 5340-00-784-4925
FSC: 5340 — Hardware, Commercial
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_length0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
overall_length35.820 INCHES NOMINAL IN
knuckle_quantity24
performance_typeNOT RATED
special_featuresHINGE HAS 2ND LEAF WITH SAME DIMENSION ATTACHED TO THE SAME KNUCKLES AND USE ON UNDERSIDE OF WING
style_designatorBUTT BLANK
reversible_featureNOT INCLUDED
knuckle_inside_diameter0.088 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
NSN5340-00-784-4925
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 342444-1 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: 0.088 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BUTT BLANK
•
HINGE PIN: NOT INCLUDED
•
KNUCKLE QUANTITY: 24
•
KNUCKLE LENGTH: 0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
REVERSIBLE FEATURENOT INCLUDED
KNUCKLE INSIDE DIAMETER0.088 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
STYLE DESIGNATORBUTT BLANK
OVERALL LENGTH35.820 INCHES NOMINAL IN
HINGE PINNOT INCLUDED
KNUCKLE QUANTITY24
KNUCKLE LENGTH0.600 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
SPECIAL FEATURESHINGE HAS 2ND LEAF WITH SAME DIMENSION ATTACHED TO THE SAME KNUCKLES AND USE ON UNDERSIDE OF WING
KNUCKLE TYPEFRICTION
PERFORMANCE TYPENOT RATED
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 342444-1?
342444-1 is a LEAF,BUTT HINGE.
What is the NSN for 342444-1?
342444-1 is cataloged in the U.S. Government catalog under NSN 5340-00-784-4925. 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.