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NC508 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

NC508: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, overall_height: 2.125 INCHES NOMINAL IN, shank_diameter: 3.000 INCHES NOMINAL IN, flange_diameter: 3.312 INCHES NOMINAL IN, style_designator: POPPET. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-178-4878, 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
NC508
NSN: 4820-01-178-4878
FSC: 4820 — Valves, Nonpowered
CAGE: 07524 — DOVER PUMPS & PROCESS SOLUTIONS SEGMENT INC DBA BLACKMER DIV BLACKMER (USA)
SPECIFICATIONS
materialCOPPER ALLOY
overall_height2.125 INCHES NOMINAL IN
shank_diameter3.000 INCHES NOMINAL IN
flange_diameter3.312 INCHES NOMINAL IN
style_designatorPOPPET
NSN4820-01-178-4878
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: NC508 · 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
•
SHANK DIAMETER: 3.000 INCHES NOMINAL IN
•
FLANGE DIAMETER: 3.312 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
SHANK DIAMETER3.000 INCHES NOMINAL IN
FLANGE DIAMETER3.312 INCHES NOMINAL IN
OVERALL HEIGHT2.125 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
MATERIALCOPPER ALLOY
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
NC756 PC 70Reference 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 NC508?
NC508 is a DISK,VALVE.
What parts can replace NC508?
There is 1 known substitute for NC508: NC756 PC 70. Substitute compatibility should be verified for your specific system.
What is the NSN for NC508?
NC508 is cataloged in the U.S. Government catalog under NSN 4820-01-178-4878. 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.