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NP674-1 — RETAINER,DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NP674-1: RETAINER,DISK,VALVE.

The RETAINER,DISK,VALVE is a the manufacturer industrial component. Key specifications include special_features: STEEL,ASTM A216 GR WCB, end_item_identification: 10IN DIA. OIL CYLINDER FOR TOP MECHANISM OIL OPERATED TRIP THROTTLE VALVE IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-294-7250, 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
NP674-1
NSN: 4820-01-294-7250
FSC: 4820 — Valves, Nonpowered
CAGE: 8FGX3 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS (USA)
SPECIFICATIONS
special_featuresSTEEL,ASTM A216 GR WCB
end_item_identification10IN DIA. OIL CYLINDER FOR TOP MECHANISM OIL OPERATED TRIP THROTTLE VALVE IN
NSN4820-01-294-7250
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NP674-1 · 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
SPECIAL FEATURESSTEEL,ASTM A216 GR WCB
END ITEM IDENTIFICATION10IN DIA. OIL CYLINDER FOR TOP MECHANISM OIL OPERATED TRIP THROTTLE VALVE IN
SUBSTITUTES & CROSS-REFERENCES 3
NP-723Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
NP674Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
NP-723 PART 1Reference 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 NP674-1?
NP674-1 is a RETAINER,DISK,VALVE.
What parts can replace NP674-1?
There are 3 known substitutes for NP674-1: NP-723, NP674, NP-723 PART 1. Substitute compatibility should be verified for your specific system.
What is the NSN for NP674-1?
NP674-1 is cataloged in the U.S. Government catalog under NSN 4820-01-294-7250. 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.