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6520-70-300-5041 — HINGE,BUTT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6520-70-300-5041: HINGE,BUTT.

The HINGE,BUTT is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, knuckle_type: FRICTION, pin_diameter: 0.081 INCHES NOMINAL IN, overall_length: 24.280 INCHES NOMINAL IN, knuckle_quantity: 50, performance_type: NOT RATED. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-939-8582, 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
6520-70-300-5041
NSN: 5340-00-939-8582
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
knuckle_typeFRICTION
pin_diameter0.081 INCHES NOMINAL IN
overall_length24.280 INCHES NOMINAL IN
knuckle_quantity50
performance_typeNOT RATED
pin_removabilityNONREMOVABLE
style_designatorBUTT
material_thickness0.090 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
mounting_hole_diameter0.201 INCHES NOMINAL IN
mounting_hole_quantity8
NSN5340-00-939-8582
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6520-70-300-5041 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
•
PIN DIAMETER: 0.081 INCHES NOMINAL IN
•
MOUNTING HOLE QUANTITY: 8
•
REVERSIBLE FEATURE: NOT INCLUDED
•
STYLE DESIGNATOR: BUTT
•
MOUNTING HOLE DIAMETER: 0.201 INCHES NOMINAL IN
•
PIN CENTER TO BODY EDGE DISTANCE: 1.150 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.090 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
PIN DIAMETER0.081 INCHES NOMINAL IN
MOUNTING HOLE QUANTITY8
REVERSIBLE FEATURENOT INCLUDED
STYLE DESIGNATORBUTT
MOUNTING HOLE DIAMETER0.201 INCHES NOMINAL IN
OVERALL LENGTH24.280 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE1.150 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
MATERIAL THICKNESS0.090 INCHES NOMINAL IN
PIN REMOVABILITYNONREMOVABLE
KNUCKLE QUANTITY50
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6520-70-300-5041?
6520-70-300-5041 is a HINGE,BUTT.
What is the NSN for 6520-70-300-5041?
6520-70-300-5041 is cataloged in the U.S. Government catalog under NSN 5340-00-939-8582. 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.