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Technical Data Sheet
PartsTable / COMPONENT / 1004-820
1004-820 ✓ Verified by PartsTable
3M · 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 BUMPER is a 3M industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-195-7511, 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
1004-820
NSN: 5340-00-195-7511
FSC: 5340
CAGE: 60696 — KRDC INC DBA MARTIN-PALMER TOOL & DIE CO DIV (USA)
SPECIFICATIONS
Part Number1004-820
Manufacturer3M
NSN5340-00-195-7511
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1004-820 MFR: 3M ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
9409039Upgraded Successor
successor cross-reference
successor
121-217Upgraded Successor
successor cross-reference
successor
5306003925364Upgraded Successor
successor cross-reference
successor
SMB586384Interchangeable
interchangeable cross-reference
interchangeable
34014Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14652BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1004-820?
1004-820 is a BUMPER manufactured by 3M.
What parts can replace 1004-820?
There are 23 known substitutes for 1004-820: 9409039, 121-217, 5306003925364 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1004-820?
1004-820 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-195-7511. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026