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304945 — CARTRIDGE,SHUT-OFF VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

304945: CARTRIDGE,SHUT-OFF VALVE.

The CARTRIDGE,SHUT-OFF VALVE is a the manufacturer industrial component. Key specifications include operating_pressure: 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS, end_item_identification: PNEUMATIC SOLENOID BOX, part_name_assigned_by_controlling_agency: AIR REGULATOR/SHUT OFF VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-589-7144, 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
304945
NSN: 4820-01-589-7144
FSC: 4820 — Valves, Nonpowered
CAGE: 1BW31 — MEGA CORP. (USA)
SPECIFICATIONS
operating_pressure90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_item_identificationPNEUMATIC SOLENOID BOX
part_name_assigned_by_controlling_agencyAIR REGULATOR/SHUT OFF VALVE
NSN4820-01-589-7144
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 304945 · 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
•
OPERATING PRESSURE: 90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
TECHNICAL CHARACTERISTICS
OPERATING PRESSURE90.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYAIR REGULATOR/SHUT OFF VALVE
END ITEM IDENTIFICATIONPNEUMATIC SOLENOID BOX
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 304945?
304945 is a CARTRIDGE,SHUT-OFF VALVE.
What is the NSN for 304945?
304945 is cataloged in the U.S. Government catalog under NSN 4820-01-589-7144. 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.