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Technical Data Sheet
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9421-LF1 — CATCH,FLUSH

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9421-LF1: CATCH,FLUSH.

The CATCH,FLUSH is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-562-0651, 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
9421-LF1
NSN: 5340-01-562-0651
FSC: 5340 — Hardware, Commercial
CAGE: 56365 — SCHNEIDER ELECTRIC USA, INC. (USA)
SPECIFICATIONS
Part Number9421-LF1
NSN5340-01-562-0651
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9421-LF1 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
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 2
16213200 ITEM 19Reference document
Same NSN cross-reference
Reference document — Secondary reference
9421 LNReference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9421-LF1?
9421-LF1 is a CATCH,FLUSH.
What parts can replace 9421-LF1?
There are 2 known substitutes for 9421-LF1: 16213200 ITEM 19, 9421 LN. Substitute compatibility should be verified for your specific system.
What is the NSN for 9421-LF1?
9421-LF1 is cataloged in the U.S. Government catalog under NSN 5340-01-562-0651. This indicates validated use in U.S. government and defense supply chains.
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