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WK-22-4009 — VALVE,REGULATING,SYSTEM PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

WK-22-4009: VALVE,REGULATING,SYSTEM PRESSURE.

VALVE,REGULATING,SYSTEM PRESSURE. Key specifications include mounting_facility: INTERNAL THREAD, end_item_identification: 6660-01-633-9624;METEOROLOGICAL STATION,MANUAL, media_for_which_designed: HELIUM, part_name_assigned_by_controlling_agency: HELIUM TANK REGULATOR ASSEMBLY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-666-3393, 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
WK-22-4009
NSN: 4820-01-666-3393
FSC: 4820 — Valves, Nonpowered
CAGE: 63848 — WARREN INDUSTRIES INC DBA WARREN INDUSTRIES INC DIV WARREN-KNIGHT INSTRUMENT CO. AND N. AMER. SURVEY SUPPLY CO. (USA)
SPECIFICATIONS
mounting_facilityINTERNAL THREAD
end_item_identification6660-01-633-9624;METEOROLOGICAL STATION,MANUAL
media_for_which_designedHELIUM
part_name_assigned_by_controlling_agencyHELIUM TANK REGULATOR ASSEMBLY
NSN4820-01-666-3393
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: WK-22-4009 · 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
•
MOUNTING FACILITY: INTERNAL THREAD
•
MEDIA FOR WHICH DESIGNED: HELIUM
TECHNICAL CHARACTERISTICS
MOUNTING FACILITYINTERNAL THREAD
PART NAME ASSIGNED BY CONTROLLING AGENCYHELIUM TANK REGULATOR ASSEMBLY
END ITEM IDENTIFICATION6660-01-633-9624;METEOROLOGICAL STATION,MANUAL
MEDIA FOR WHICH DESIGNEDHELIUM
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is WK-22-4009?
WK-22-4009 is a VALVE,REGULATING,SYSTEM PRESSURE.
What is the NSN for WK-22-4009?
WK-22-4009 is cataloged in the U.S. Government catalog under NSN 4820-01-666-3393. 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.