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53-42050-3 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

53-42050-3: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, overall_length: 28.020 INCHES NOMINAL IN, knuckle_quantity: 32, style_designator: BUTT STAGGERED HOLES. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-053-2240, 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
53-42050-3
NSN: 5340-00-053-2240
FSC: 5340 — Hardware, Commercial
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
overall_length28.020 INCHES NOMINAL IN
knuckle_quantity32
style_designatorBUTT STAGGERED HOLES
material_thickness0.160 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
hinge_mounting_typeHALF MORTISE
mounting_hole_diameter0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
mounting_hole_quantity24
knuckle_inside_diameter0.133 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
NSN5340-00-053-2240
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 53-42050-3 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
•
MOUNTING HOLE QUANTITY: 24
•
REVERSIBLE FEATURE: NOT INCLUDED
•
KNUCKLE INSIDE DIAMETER: 0.133 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BUTT STAGGERED HOLES
•
MOUNTING HOLE DIAMETER: 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
PIN CENTER TO BODY EDGE DISTANCE: 1.920 INCHES NOMINAL IN
•
HINGE MOUNTING TYPE: HALF MORTISE
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY24
REVERSIBLE FEATURENOT INCLUDED
KNUCKLE INSIDE DIAMETER0.133 INCHES MINIMUM AND 0.138 INCHES MAXIMUM IN
STYLE DESIGNATORBUTT STAGGERED HOLES
MOUNTING HOLE DIAMETER0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
OVERALL LENGTH28.020 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE1.920 INCHES NOMINAL IN
HINGE MOUNTING TYPEHALF MORTISE
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.160 INCHES NOMINAL IN
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 53-42050-3?
53-42050-3 is a LEAF,BUTT HINGE.
What is the NSN for 53-42050-3?
53-42050-3 is cataloged in the U.S. Government catalog under NSN 5340-00-053-2240. This indicates validated use in U.S. government and defense supply chains.
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