PartsTable
Technical Data Sheet
S19904 ✓ 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 BUMPER is a the manufacturer 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 5340-00-664-5785, 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
S19904
NSN: 5340-00-664-5785
FSC: 5340
CAGE: 80072 — H20 TANK INC U S MOTORS DIV (USA)
SPECIFICATIONS
Part NumberS19904
NSN5340-00-664-5785
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S19904 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
13-16-6Upgraded Successor
successor cross-reference
successor
511C7-59Upgraded Successor
successor cross-reference
successor
6-13Upgraded Successor
successor cross-reference
successor
84B122SA1Interchangeable
Same NIIN cross-reference
interchangeable
D9578-52A20Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is S19904?
S19904 is a BUMPER.
What parts can replace S19904?
There are 5 known substitutes for S19904: 13-16-6, 511C7-59, 6-13 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S19904?
S19904 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-664-5785. This indicates validated use in U.S. government and defense supply chains.
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