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803-8436639-25 — HINGE,BUTT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

803-8436639-25: HINGE,BUTT.

The HINGE,BUTT is a the manufacturer industrial component. Key specifications include special_features: MATERIAL: CORROSION RESISTANT STEEL PER ASTM A743/A743M,GRADE CF-3M, end_item_identification: STRUCTURAL DOORS,QUICK ACTING AND INDIVIDUALLY DOGGED, part_name_assigned_by_controlling_agency: HINGE YOKE. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-718-6424, 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
803-8436639-25
NSN: 5340-01-718-6424
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
special_featuresMATERIAL: CORROSION RESISTANT STEEL PER ASTM A743/A743M,GRADE CF-3M
end_item_identificationSTRUCTURAL DOORS,QUICK ACTING AND INDIVIDUALLY DOGGED
part_name_assigned_by_controlling_agencyHINGE YOKE
NSN5340-01-718-6424
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 803-8436639-25 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESMATERIAL: CORROSION RESISTANT STEEL PER ASTM A743/A743M,GRADE CF-3M
PART NAME ASSIGNED BY CONTROLLING AGENCYHINGE YOKE
END ITEM IDENTIFICATIONSTRUCTURAL DOORS,QUICK ACTING AND INDIVIDUALLY DOGGED
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 2
A026-066-QAB020-25Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8436639Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 803-8436639-25?
803-8436639-25 is a HINGE,BUTT.
What parts can replace 803-8436639-25?
There are 2 known substitutes for 803-8436639-25: A026-066-QAB020-25, 8436639. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-8436639-25?
803-8436639-25 is cataloged in the U.S. Government catalog under NSN 5340-01-718-6424. 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.