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78508 PIECE 2 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

78508 PIECE 2: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include special_features: NEXT HIGHER ASSY VALVE,GLB 3.0 CAGE 57574, end_item_identification: W/S NIMITZ CLASS CVN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-459-5269, 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
78508 PIECE 2
NSN: 4820-01-459-5269
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
special_featuresNEXT HIGHER ASSY VALVE,GLB 3.0 CAGE 57574
end_item_identificationW/S NIMITZ CLASS CVN
NSN4820-01-459-5269
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 78508 PIECE 2 · 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 FEATURESNEXT HIGHER ASSY VALVE,GLB 3.0 CAGE 57574
END ITEM IDENTIFICATIONW/S NIMITZ CLASS CVN
SUBSTITUTES & CROSS-REFERENCES 1
78508Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 78508 PIECE 2?
78508 PIECE 2 is a DISK,VALVE.
What parts can replace 78508 PIECE 2?
There is 1 known substitute for 78508 PIECE 2: 78508. Substitute compatibility should be verified for your specific system.
What is the NSN for 78508 PIECE 2?
78508 PIECE 2 is cataloged in the U.S. Government catalog under NSN 4820-01-459-5269. 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.