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04-21583 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

04-21583: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include width: 495.67 MILLIMETERS NOMINAL MM, length: 428.5 MILLIMETERS NOMINAL MM, material: STEEL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-599-3123, 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
04-21583
NSN: 5340-01-599-3123
NIINs: 015993123, 016044065
FSC: 5340 — Hardware, Commercial
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
width495.67 MILLIMETERS NOMINAL MM
length428.5 MILLIMETERS NOMINAL MM
materialSTEEL
NSN5340-01-599-3123
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 04-21583 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
•
LENGTH: 495.7 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-DTL-53072 MIL STD SINGLE TREATMENT RESPONSE
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MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A1008 DS TYPE B OR DDS ASSN STD SINGLE MATERIAL RESPONSE
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SURFACE TREATMENT: PAINT
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WIDTH: 280.0 MILLIMETERS MINIMUM AND 444.0 MILLIMETERS MAXIMUM MM
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
LENGTH495.7 MILLIMETERS NOMINAL MM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-DTL-53072 MIL STD SINGLE TREATMENT RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A1008 DS TYPE B OR DDS ASSN STD SINGLE MATERIAL RESPONSE
SURFACE TREATMENTPAINT
WIDTH280.0 MILLIMETERS MINIMUM AND 444.0 MILLIMETERS MAXIMUM MM
PART NAME ASSIGNED BY CONTROLLING AGENCYPANEL, ACCESS
END ITEM IDENTIFICATION6115-01-561-7718 GENERATOR SET, DIESEL ENGINE
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 04-21583?
04-21583 is a COVER,ACCESS.
What is the NSN for 04-21583?
04-21583 is cataloged in the U.S. Government catalog under NSN 5340-01-599-3123. This indicates validated use in U.S. government and defense supply chains.
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