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6520-70-900-4133 — LEAF,BUTT HINGE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6520-70-900-4133: 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, knuckle_length: 0.505 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN, overall_length: 9.000 INCHES NOMINAL IN, performance_type: NOT RATED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-007-3373, 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
6520-70-900-4133
NSN: 5340-01-007-3373
FSC: 5340 — Hardware, Commercial
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
hinge_pinNOT INCLUDED
knuckle_typeFRICTION
knuckle_length0.505 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN
overall_length9.000 INCHES NOMINAL IN
knuckle_quantity8
performance_typeNOT RATED
style_designatorBUTT BLANK
material_thickness0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
reversible_featureNOT INCLUDED
hinge_mounting_typeFULL MORTISE
knuckle_inside_diameter0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
NSN5340-01-007-3373
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6520-70-900-4133 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: 0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: BUTT BLANK
•
PIN CENTER TO BODY EDGE DISTANCE: 1.250 INCHES NOMINAL IN
•
HINGE MOUNTING TYPE: FULL MORTISE
•
HINGE PIN: NOT INCLUDED
•
MATERIAL THICKNESS: 0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
REVERSIBLE FEATURENOT INCLUDED
KNUCKLE INSIDE DIAMETER0.093 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
STYLE DESIGNATORBUTT BLANK
OVERALL LENGTH9.000 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE1.250 INCHES NOMINAL IN
HINGE MOUNTING TYPEFULL MORTISE
HINGE PINNOT INCLUDED
MATERIAL THICKNESS0.044 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN
KNUCKLE QUANTITY8
KNUCKLE LENGTH0.505 INCHES MINIMUM AND 0.506 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6520-70-900-4133?
6520-70-900-4133 is a LEAF,BUTT HINGE.
What is the NSN for 6520-70-900-4133?
6520-70-900-4133 is cataloged in the U.S. Government catalog under NSN 5340-01-007-3373. 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.