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N638PC23 — PISTON,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

N638PC23: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, overall_length: 1.780 INCHES NOMINAL IN, outside_diameter: 0.375 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-375-7822, 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
N638PC23
NSN: 4820-00-375-7822
FSC: 4820 — Valves, Nonpowered
CAGE: 26505 — GROVE VALVE OPERATIONS (USA)
SPECIFICATIONS
materialSTEEL
overall_length1.780 INCHES NOMINAL IN
outside_diameter0.375 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
NSN4820-00-375-7822
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: N638PC23 · 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
•
OUTSIDE DIAMETER: 0.375 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER0.375 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
OVERALL LENGTH1.780 INCHES NOMINAL IN
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES 2
564-3801-936858REV1PC23Reference document
Same NSN cross-reference
Reference document — Secondary reference
564-3801-936859REV1PC23Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N638PC23?
N638PC23 is a PISTON,VALVE.
What parts can replace N638PC23?
There are 2 known substitutes for N638PC23: 564-3801-936858REV1PC23, 564-3801-936859REV1PC23. Substitute compatibility should be verified for your specific system.
What is the NSN for N638PC23?
N638PC23 is cataloged in the U.S. Government catalog under NSN 4820-00-375-7822. 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.