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3942821 — BELT,VEHICULAR SAFETY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3942821: BELT,VEHICULAR SAFETY.

The BELT,VEHICULAR SAFETY is a the manufacturer industrial component. Key specifications include mounting_hole_type: PLAIN, end_item_identification: 4940-01-463-7940, part_name_assigned_by_controlling_agency: BRACE,ALTERNATOR. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-562-4495, 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
3942821
NSN: 5340-01-562-4495
NIINs: 015624495, 016047830
FSC: 5340 — Hardware, Commercial
CAGE: 0B8S3 — CUMMINS INC (USA)
SPECIFICATIONS
mounting_hole_typePLAIN
mounting_hole_quantity2
end_item_identification4940-01-463-7940
part_name_assigned_by_controlling_agencyBRACE,ALTERNATOR
NSN5340-01-562-4495
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3942821 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: 2
•
MOUNTING HOLE TYPE: PLAIN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2
PART NAME ASSIGNED BY CONTROLLING AGENCYBRACE,ALTERNATOR
END ITEM IDENTIFICATION4940-01-463-7940
MOUNTING HOLE TYPEPLAIN
SUBSTITUTES & CROSS-REFERENCES 1
02/911353Same 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 3942821?
3942821 is a BELT,VEHICULAR SAFETY.
What parts can replace 3942821?
There is 1 known substitute for 3942821: 02/911353. Substitute compatibility should be verified for your specific system.
What is the NSN for 3942821?
3942821 is cataloged in the U.S. Government catalog under NSN 5340-01-562-4495. This indicates validated use in U.S. government and defense supply chains.
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