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6520-80-401-1102 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6520-80-401-1102: LEAF,BUTT HINGE.

The LEAF,BUTT HINGE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, hinge_pin: NOT INCLUDED, knuckle_type: FRICTION, knuckle_length: 0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN, overall_length: 29.000 INCHES NOMINAL IN, knuckle_quantity: 27. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-947-6928, 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
6520-80-401-1102
NSN: 5340-00-947-6928
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_length0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM IN
overall_length29.000 INCHES NOMINAL IN
knuckle_quantity27
performance_typeNOT RATED
special_features2 KNUCKLES REMOVED BEGINING 4.250 IN,FROM END IN
surface_treatmentANODIZE OVERALL
material_thickness0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
reversible_featureNOT INCLUDED
mounting_hole_diameter0.201 INCHES NOMINAL IN
NSN5340-00-947-6928
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6520-80-401-1102 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: 9
•
REVERSIBLE FEATURE: NOT INCLUDED
•
MOUNTING HOLE DIAMETER: 0.201 INCHES NOMINAL IN
•
PIN CENTER TO BODY EDGE DISTANCE: 0.875 INCHES NOMINAL IN
•
HINGE PIN: NOT INCLUDED
•
MATERIAL THICKNESS: 0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH: 3.440 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY9
REVERSIBLE FEATURENOT INCLUDED
MOUNTING HOLE DIAMETER0.201 INCHES NOMINAL IN
OVERALL LENGTH29.000 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE0.875 INCHES NOMINAL IN
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH3.440 INCHES NOMINAL IN
KNUCKLE QUANTITY27
KNUCKLE LENGTH0.491 INCHES MINIMUM AND 0.495 INCHES MAXIMUM 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 6520-80-401-1102?
6520-80-401-1102 is a LEAF,BUTT HINGE.
What is the NSN for 6520-80-401-1102?
6520-80-401-1102 is cataloged in the U.S. Government catalog under NSN 5340-00-947-6928. 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.