PartsTable
Technical Data Sheet
321539-105 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The HINGE,ACCESS DOOR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, hinge_pin: INCLUDED, knuckle_type: FRICTION, reversible_feature: NOT INCLUDED, mounting_hole_quantity: 14, end_item_identification: USED ON THE A-10 AIRCRAFT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-477-9280, 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
321539-105
NSN: 5340-01-477-9280
FSC: 5340
CAGE: 51993 — THE CHARLES STARK DRAPER LABORATORY, INC. DIV HEADQUARTERS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 OVERALL
hinge_pinINCLUDED
knuckle_typeFRICTION
knuckle_quantity1
reversible_featureNOT INCLUDED
mounting_hole_quantity14
end_item_identificationUSED ON THE A-10 AIRCRAFT
material_document_and_classificationALUMINUM ALLOY, 7075 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5340-01-477-9280
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 321539-105 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
MATERIAL DOCUMENT AND CLASSIFICATION: ALUMINUM ALLOY, 7075 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: ALUMINUM ALLOY 7075 OVERALL
KNUCKLE QUANTITY: 1
HINGE PIN: INCLUDED
REVERSIBLE FEATURE: NOT INCLUDED
MOUNTING HOLE QUANTITY: 14
KNUCKLE TYPE: FRICTION
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONALUMINUM ALLOY, 7075 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALALUMINUM ALLOY 7075 OVERALL
KNUCKLE QUANTITY1
HINGE PININCLUDED
REVERSIBLE FEATURENOT INCLUDED
MOUNTING HOLE QUANTITY14
END ITEM IDENTIFICATIONUSED ON THE A-10 AIRCRAFT
KNUCKLE TYPEFRICTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
VL9379Interchangeable
interchangeable cross-reference
interchangeable
8292K65Interchangeable
interchangeable cross-reference
interchangeable
09303Interchangeable
interchangeable cross-reference
interchangeable
3215-3-9Interchangeable
interchangeable cross-reference
interchangeable
2052-5166-02Interchangeable
interchangeable cross-reference
interchangeable
1358-000-K050-5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 321539-105?
321539-105 is a HINGE,ACCESS DOOR.
What parts can replace 321539-105?
There are 7 known substitutes for 321539-105: VL9379, 8292K65, 09303 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 321539-105?
321539-105 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-477-9280. This indicates validated use in U.S. government and defense supply chains.
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