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5166478 — HINGE,BUTT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5166478: HINGE,BUTT.

The HINGE,BUTT is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, knuckle_type: FRICTION, pin_diameter: 0.177 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN, pin_tip_style: CONE, overall_length: 2.000 INCHES NOMINAL IN, performance_type: NOT RATED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-276-9224, 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
5166478
NSN: 5340-01-276-9224
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
knuckle_typeFRICTION
pin_diameter0.177 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
pin_tip_styleCONE
overall_length2.000 INCHES NOMINAL IN
knuckle_quantity2
performance_typeNOT RATED
pin_removabilityNONREMOVABLE
style_designatorBUTT
surface_treatmentUNABLE TO DECODE
material_thickness0.063 INCHES NOMINAL IN
reversible_featureNOT INCLUDED
NSN5340-01-276-9224
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5166478 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: 0.177 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
•
MOUNTING HOLE QUANTITY: 4
•
REVERSIBLE FEATURE: NOT INCLUDED
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
PIN TIP STYLE: CONE
•
STYLE DESIGNATOR: BUTT
•
MOUNTING HOLE DIAMETER: 0.128 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
PIN DIAMETER0.177 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN
MOUNTING HOLE QUANTITY4
REVERSIBLE FEATURENOT INCLUDED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
PIN TIP STYLECONE
STYLE DESIGNATORBUTT
MOUNTING HOLE DIAMETER0.128 INCHES NOMINAL IN
OVERALL LENGTH2.000 INCHES NOMINAL IN
PIN CENTER TO BODY EDGE DISTANCE1.000 INCHES NOMINAL IN
HINGE MOUNTING TYPEFULL SURFACE
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 1
5166477Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 5166478?
5166478 is a HINGE,BUTT.
What parts can replace 5166478?
There is 1 known substitute for 5166478: 5166477. Substitute compatibility should be verified for your specific system.
What is the NSN for 5166478?
5166478 is cataloged in the U.S. Government catalog under NSN 5340-01-276-9224. 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.