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04-21251 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

04-21251: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include end_item_identification: OUTPUT BOX ASSEMBLY 60KW, part_name_assigned_by_controlling_agency: GUARD, OUTPOST BOX. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-595-7072, 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
04-21251
NSN: 5340-01-595-7072
FSC: 5340 — Hardware, Commercial
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
end_item_identificationOUTPUT BOX ASSEMBLY 60KW
part_name_assigned_by_controlling_agencyGUARD, OUTPOST BOX
NSN5340-01-595-7072
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 04-21251 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
PART NAME ASSIGNED BY CONTROLLING AGENCYGUARD, OUTPOST BOX
END ITEM IDENTIFICATIONOUTPUT BOX ASSEMBLY 60KW
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
A029C712Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 04-21251?
04-21251 is a COVER,ACCESS.
What parts can replace 04-21251?
There is 1 known substitute for 04-21251: A029C712. Substitute compatibility should be verified for your specific system.
What is the NSN for 04-21251?
04-21251 is cataloged in the U.S. Government catalog under NSN 5340-01-595-7072. This indicates validated use in U.S. government and defense supply chains.
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