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H1346-1 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H1346-1: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OVERALL, hinge_pin: NOT INCLUDED, overall_length: 3.000 INCHES NOMINAL IN, performance_type: NOT RATED, special_features: 0.250 IN. RADIUS EACH CORNER IN, end_knuckle_length: 0.500 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5340-01-172-2756, 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
H1346-1
NSN: 5340-01-172-2756
FSC: 5340 — Hardware, Commercial
CAGE: 83014 — HARTWELL CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OVERALL
hinge_pinNOT INCLUDED
overall_length3.000 INCHES NOMINAL IN
knuckle_quantity2
performance_typeNOT RATED
special_features0.250 IN. RADIUS EACH CORNER IN
end_knuckle_length0.500 INCHES NOMINAL IN
material_thickness0.060 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
hinge_mounting_typeFULL SURFACE
knuckle_inside_diameter0.281 INCHES NOMINAL IN
pin_center_to_body_edge_distance1.000 INCHES NOMINAL IN
NSN5340-01-172-2756
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H1346-1 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: 0.281 INCHES NOMINAL IN
•
PIN CENTER TO BODY EDGE DISTANCE: 1.000 INCHES NOMINAL IN
•
HINGE MOUNTING TYPE: FULL SURFACE
•
HINGE PIN: NOT INCLUDED
•
MATERIAL THICKNESS: 0.060 INCHES NOMINAL IN
•
KNUCKLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
REVERSIBLE FEATURENOT INCLUDED
KNUCKLE INSIDE DIAMETER0.281 INCHES NOMINAL IN
OVERALL LENGTH3.000 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE1.000 INCHES NOMINAL IN
HINGE MOUNTING TYPEFULL SURFACE
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.060 INCHES NOMINAL IN
KNUCKLE QUANTITY2
END KNUCKLE LENGTH0.500 INCHES NOMINAL IN
SPECIAL FEATURES0.250 IN. RADIUS EACH CORNER IN
SUBSTITUTES & CROSS-REFERENCES 1
573-091Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 H1346-1?
H1346-1 is a LEAF,BUTT HINGE.
What parts can replace H1346-1?
There is 1 known substitute for H1346-1: 573-091. Substitute compatibility should be verified for your specific system.
What is the NSN for H1346-1?
H1346-1 is cataloged in the U.S. Government catalog under NSN 5340-01-172-2756. 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.