256121 PIECE 11 — SEAT,VALVE

✓ Government record, cited

— · GATE VALVE

PRODUCT OVERVIEW

256121 PIECE 11: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include special_features: E/I:3IN.X3IN.X3 IN.,3 PORT BALL LINE VALVE,2 WAY SEAL 0-700 PSI.WP IN, end_item_identification: LOS ANGELES CLASS SSN (688). This part is cataloged in the U.S.

Government catalog under NSN 4820-01-486-3713, 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

256121 PIECE 11

NSN: 4820-01-486-3713
FSC: 4820 — Valves, Nonpowered
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)

SPECIFICATIONS

special_features	E/I:3IN.X3IN.X3 IN.,3 PORT BALL LINE VALVE,2 WAY SEAL 0-700 PSI.WP IN
end_item_identification	LOS ANGELES CLASS SSN (688)
NSN	4820-01-486-3713

COMPONENT DIAGRAM

TECHNICAL CHARACTERISTICS

SPECIAL FEATURES	E/I:3IN.X3IN.X3 IN.,3 PORT BALL LINE VALVE,2 WAY SEAL 0-700 PSI.WP IN
END ITEM IDENTIFICATION	LOS ANGELES CLASS SSN (688)

SUBSTITUTES & CROSS-REFERENCES 1

256121Reference 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 256121 PIECE 11?

256121 PIECE 11 is a SEAT,VALVE.

What parts can replace 256121 PIECE 11?

There is 1 known substitute for 256121 PIECE 11: 256121. Substitute compatibility should be verified for your specific system.

What is the NSN for 256121 PIECE 11?

256121 PIECE 11 is cataloged in the U.S. Government catalog under NSN 4820-01-486-3713. This indicates validated use in U.S. government and defense supply chains.

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256121 PIECE 11 — SEAT,VALVE

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