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15665A304 — HINGE,BUTT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

15665A304: HINGE,BUTT.

The HINGE,BUTT is a the manufacturer industrial component. Key specifications include pin_diameter: 0.1870 INCHES NOMINAL IN, knuckle_length: 1.0 INCHES NOMINAL IN, overall_length: 36.00 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: PIANO HINGE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-706-6685, 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
15665A304
NSN: 5340-01-706-6685
FSC: 5340 — Hardware, Commercial
CAGE: 07BY4 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
pin_diameter0.1870 INCHES NOMINAL IN
knuckle_length1.0 INCHES NOMINAL IN
overall_length36.00 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyPIANO HINGE
NSN5340-01-706-6685
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 15665A304 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: 0.1870 INCHES NOMINAL IN
•
KNUCKLE LENGTH: 1.0 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
PIN DIAMETER0.1870 INCHES NOMINAL IN
OVERALL LENGTH36.00 INCHES NOMINAL IN
KNUCKLE LENGTH1.0 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPIANO HINGE
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
608-8873413ITEM13Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 15665A304?
15665A304 is a HINGE,BUTT.
What parts can replace 15665A304?
There is 1 known substitute for 15665A304: 608-8873413ITEM13. Substitute compatibility should be verified for your specific system.
What is the NSN for 15665A304?
15665A304 is cataloged in the U.S. Government catalog under NSN 5340-01-706-6685. 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.