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1658A741 — HINGE,ACCESS DOOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1658A741: HINGE,ACCESS DOOR.

The HINGE,ACCESS DOOR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_item_identification: 5855-475-9442. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-483-1638, 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
1658A741
NSN: 5340-01-483-1638
FSC: 5340 — Hardware, Commercial
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
mounting_hole_quantity6
end_item_identification5855-475-9442
NSN5340-01-483-1638
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1658A741 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
•
MOUNTING HOLE QUANTITY: 6
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY6
END ITEM IDENTIFICATION5855-475-9442
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
3220864Reference 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 1658A741?
1658A741 is a HINGE,ACCESS DOOR.
What parts can replace 1658A741?
There is 1 known substitute for 1658A741: 3220864. Substitute compatibility should be verified for your specific system.
What is the NSN for 1658A741?
1658A741 is cataloged in the U.S. Government catalog under NSN 5340-01-483-1638. This indicates validated use in U.S. government and defense supply chains.
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