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M306055 — HINGE,BUTT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M306055: HINGE,BUTT.

The HINGE,BUTT is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, knuckle_type: FRICTION, pin_removability: NONREMOVABLE, style_designator: BUTT W/DOOR LEAF OFFSET, reversible_feature: NOT INCLUDED, end_item_identification: 2320-00-904-3277. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-040-2331, 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
M306055
NSN: 5340-00-040-2331
FSC: 5340 — Hardware, Commercial
CAGE: 61465 — GARWOOD/FELLER INC GARWOOD WINCH DIV (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
knuckle_typeFRICTION
knuckle_quantity1
pin_removabilityNONREMOVABLE
style_designatorBUTT W/DOOR LEAF OFFSET
reversible_featureNOT INCLUDED
end_item_identification2320-00-904-3277
NSN5340-00-040-2331
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M306055 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
•
STYLE DESIGNATOR: BUTT W/DOOR LEAF OFFSET
•
PIN REMOVABILITY: NONREMOVABLE
•
KNUCKLE QUANTITY: 1
•
MATERIAL: UNABLE TO DECODE
•
KNUCKLE TYPE: FRICTION
TECHNICAL CHARACTERISTICS
REVERSIBLE FEATURENOT INCLUDED
STYLE DESIGNATORBUTT W/DOOR LEAF OFFSET
PIN REMOVABILITYNONREMOVABLE
KNUCKLE QUANTITY1
END ITEM IDENTIFICATION2320-00-904-3277
MATERIALUNABLE TO DECODE
KNUCKLE TYPEFRICTION
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
SA1608Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 M306055?
M306055 is a HINGE,BUTT.
What parts can replace M306055?
There is 1 known substitute for M306055: SA1608. Substitute compatibility should be verified for your specific system.
What is the NSN for M306055?
M306055 is cataloged in the U.S. Government catalog under NSN 5340-00-040-2331. 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.