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VVC-501-4IN — VALVE,VENT

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

VVC-501-4IN: VALVE,VENT.

The VALVE,VENT is a the manufacturer industrial component. Key specifications include material: ALUMINUM BODY, connection_type: FLANGE ALL ENDS, end_item_identification: VENTILATION SYSTEM ONBOARD 110 FT WPB COAST GUARD VESSELSVENTILATION SYSTEM ONBOARD 110 FT WPB COAST GUARD VESSELS FT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-342-8941, 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
VVC-501-4IN
NSN: 4820-01-342-8941
FSC: 4820 — Valves, Nonpowered
CAGE: 73124 — HAYWARDINDL. PRODUCTS, INC. (USA)
SPECIFICATIONS
materialALUMINUM BODY
connection_typeFLANGE ALL ENDS
end_item_identificationVENTILATION SYSTEM ONBOARD 110 FT WPB COAST GUARD VESSELSVENTILATION SYSTEM ONBOARD 110 FT WPB COAST GUARD VESSELS FT
NSN4820-01-342-8941
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: VVC-501-4IN · 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
•
CONNECTION TYPE: FLANGE ALL ENDS
•
MATERIAL: ALUMINUM BODY
TECHNICAL CHARACTERISTICS
CONNECTION TYPEFLANGE ALL ENDS
END ITEM IDENTIFICATIONVENTILATION SYSTEM ONBOARD 110 FT WPB COAST GUARD VESSELSVENTILATION SYSTEM ONBOARD 110 FT WPB COAST GUARD VESSELS FT
MATERIALALUMINUM BODY
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 3
VC501040AF85AReference document
Same NSN cross-reference
Reference document — Secondary reference
G48701-A-4"Reference document
Same NSN cross-reference
Reference document — Secondary reference
VC501040AF8PAReference 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 VVC-501-4IN?
VVC-501-4IN is a VALVE,VENT.
What parts can replace VVC-501-4IN?
There are 3 known substitutes for VVC-501-4IN: VC501040AF85A, G48701-A-4", VC501040AF8PA. Substitute compatibility should be verified for your specific system.
What is the NSN for VVC-501-4IN?
VVC-501-4IN is cataloged in the U.S. Government catalog under NSN 4820-01-342-8941. 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.