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VA331 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

VA331: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include valve_operation_method: MANUAL, end_item_identification: 4R/5R COG ITEMS MANAGED BY BRASO, TURBOPROP ENGINE, media_for_which_designed: NITROGEN, GASEOUS SINGLE RESPONSE, furnished_items_and_quantity: 1 SPRING AND 1 NUT AND 1 COVER, part_name_assigned_by_controlling_agency: ONE WAY VLAVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-483-2437, 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
VA331
NSN: 4820-01-483-2437
FSC: 4820 — Valves, Nonpowered
CAGE: 02DY0 — CONTROLLED ENVIRONMENT PACKAGING, INC. (USA)
SPECIFICATIONS
valve_operation_methodMANUAL
end_item_identification4R/5R COG ITEMS MANAGED BY BRASO, TURBOPROP ENGINE
media_for_which_designedNITROGEN, GASEOUS SINGLE RESPONSE
furnished_items_and_quantity1 SPRING AND 1 NUT AND 1 COVER
part_name_assigned_by_controlling_agencyONE WAY VLAVE
NSN4820-01-483-2437
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: VA331 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 SPRING AND 1 NUT AND 1 COVER
•
MEDIA FOR WHICH DESIGNED: NITROGEN, GASEOUS SINGLE RESPONSE
•
VALVE OPERATION METHOD: MANUAL
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 SPRING AND 1 NUT AND 1 COVER
MEDIA FOR WHICH DESIGNEDNITROGEN, GASEOUS SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYONE WAY VLAVE
END ITEM IDENTIFICATION4R/5R COG ITEMS MANAGED BY BRASO, TURBOPROP ENGINE
VALVE OPERATION METHODMANUAL
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

No substitute or cross-reference records for this part.

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 VA331?
VA331 is a VALVE,CHECK.
What is the NSN for VA331?
VA331 is cataloged in the U.S. Government catalog under NSN 4820-01-483-2437. 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.