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4354-S-180 — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

4354-S-180: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE,GATE;NEWPORT NEWS SHIPBUILDING AND DRY DOCK CO SHIP REPAIR SALES DEPT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-377-7481, 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
4354-S-180
NSN: 4820-01-377-7481
FSC: 4820 — Valves, Nonpowered
CAGE: 76364 — MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC (USA)
SPECIFICATIONS
end_item_identificationVALVE,GATE;NEWPORT NEWS SHIPBUILDING AND DRY DOCK CO SHIP REPAIR SALES DEPT
NSN4820-01-377-7481
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 4354-S-180 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONVALVE,GATE;NEWPORT NEWS SHIPBUILDING AND DRY DOCK CO SHIP REPAIR SALES DEPT
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
253873 ASSY 98 PIECE 4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 4354-S-180?
4354-S-180 is a VALVE,GATE.
What parts can replace 4354-S-180?
There is 1 known substitute for 4354-S-180: 253873 ASSY 98 PIECE 4. Substitute compatibility should be verified for your specific system.
What is the NSN for 4354-S-180?
4354-S-180 is cataloged in the U.S. Government catalog under NSN 4820-01-377-7481. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.