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NH-6764 PIECE 637 — KEEPER,SPRING,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NH-6764 PIECE 637: KEEPER,SPRING,VALVE.

The KEEPER,SPRING,VALVE is a the manufacturer industrial component. Key specifications include end_item_identification: TURBINE STM FIRE PMP. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-107-9813, 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
NH-6764 PIECE 637
NSN: 4820-01-107-9813
FSC: 4820 — Valves, Nonpowered
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
end_item_identificationTURBINE STM FIRE PMP
NSN4820-01-107-9813
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NH-6764 PIECE 637 · 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 IDENTIFICATIONTURBINE STM FIRE PMP
SUBSTITUTES & CROSS-REFERENCES 5
637NC-6111Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
NH-7011 PIECE 637Reference document
Same NSN cross-reference
Reference document — Secondary reference
NH-6751 PIECE 637Reference document
Same NSN cross-reference
Reference document — Secondary reference
H-7922 PIECE 125Reference document
Same NSN cross-reference
Reference document — Secondary reference
423022Reference 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 NH-6764 PIECE 637?
NH-6764 PIECE 637 is a KEEPER,SPRING,VALVE.
What parts can replace NH-6764 PIECE 637?
There are 5 known substitutes for NH-6764 PIECE 637: 637NC-6111, NH-7011 PIECE 637, NH-6751 PIECE 637 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NH-6764 PIECE 637?
NH-6764 PIECE 637 is cataloged in the U.S. Government catalog under NSN 4820-01-107-9813. This indicates validated use in U.S. government and defense supply chains.
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