PartsTable
Technical Data Sheet
12Z12121-2 ✓ 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 5340-00-769-2209, 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
12Z12121-2
NSN: 5340-00-769-2209
FSC: 5340
CAGE: 94135 — NAVAL ORDNANCE STANDARDS (USA)
SPECIFICATIONS
Part Number12Z12121-2
NSN5340-00-769-2209
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12Z12121-2 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 12
1599Upgraded Successor
successor cross-reference
successor
1020Upgraded Successor
successor cross-reference
successor
4730PL0788500Interchangeable
interchangeable cross-reference
interchangeable
T11505-92Interchangeable
interchangeable cross-reference
interchangeable
NX415Interchangeable
interchangeable cross-reference
interchangeable
922071Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12Z12121-2?
12Z12121-2 is a BUMPER.
What parts can replace 12Z12121-2?
There are 12 known substitutes for 12Z12121-2: 1599, 1020, 4730PL0788500 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12Z12121-2?
12Z12121-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-769-2209. This indicates validated use in U.S. government and defense supply chains.
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