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Technical Data Sheet
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TX397 — PLUG,EXPANSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

TX397: PLUG,EXPANSION.

The PLUG,EXPANSION is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-00-098-6350, 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
TX397
NSN: 5340-00-098-6350
FSC: 5340 — Hardware, Commercial
CAGE: 53762 — SEAGRAVE CORP THE (USA)
SPECIFICATIONS
Part NumberTX397
NSN5340-00-098-6350
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: TX397 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
SUBSTITUTES & CROSS-REFERENCES 3
5EX61Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9797Reference document
Same NSN cross-reference
Reference document — Secondary reference
1076-2055Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 TX397?
TX397 is a PLUG,EXPANSION.
What parts can replace TX397?
There are 3 known substitutes for TX397: 5EX61, 9797, 1076-2055. Substitute compatibility should be verified for your specific system.
What is the NSN for TX397?
TX397 is cataloged in the U.S. Government catalog under NSN 5340-00-098-6350. This indicates validated use in U.S. government and defense supply chains.
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