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21737NPC34 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

21737NPC34: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, overall_height: 5.000 INCHES NOMINAL IN, style_designator: POPPET, flange_seat_to_disk_end_height: 2.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-036-1532, 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
21737NPC34
NSN: 4820-00-036-1532
FSC: 4820 — Valves, Nonpowered
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
overall_height5.000 INCHES NOMINAL IN
style_designatorPOPPET
flange_seat_to_disk_end_height2.250 INCHES NOMINAL IN
NSN4820-00-036-1532
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21737NPC34 · 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
KEY FEATURES
•
FLANGE SEAT TO DISK END HEIGHT: 2.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT2.250 INCHES NOMINAL IN
OVERALL HEIGHT5.000 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 3
11165Reference document
Same NSN cross-reference
Reference document — Secondary reference
N11165Reference document
Same NSN cross-reference
Reference document — Secondary reference
21742NPC34Reference 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 21737NPC34?
21737NPC34 is a DISK,VALVE.
What parts can replace 21737NPC34?
There are 3 known substitutes for 21737NPC34: 11165, N11165, 21742NPC34. Substitute compatibility should be verified for your specific system.
What is the NSN for 21737NPC34?
21737NPC34 is cataloged in the U.S. Government catalog under NSN 4820-00-036-1532. 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.