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40494-301 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40494-301: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: COPPER ALLOY BODY, outlet_pressure_range: 50.0 TO 150.0 CAMERA MOUNT, end_item_identification: E/I STYLE "HG" 1/2 INCH PRESSURE REGULATING VALVE; W/S CODE NIMITZ CLASS CVN IN, media_for_which_designed: GAS, maximum_inlet_pressure_rating: ERR-060. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-468-9926, 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
40494-301
NSN: 4820-01-468-9926
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
outlet_pressure_range50.0 TO 150.0 CAMERA MOUNT
end_item_identificationE/I STYLE "HG" 1/2 INCH PRESSURE REGULATING VALVE; W/S CODE NIMITZ CLASS CVN IN
media_for_which_designedGAS
maximum_inlet_pressure_ratingERR-060
NSN4820-01-468-9926
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40494-301 · 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
•
OUTLET PRESSURE RANGE: 50.0 TO 150.0 CAMERA MOUNT
•
MATERIAL: COPPER ALLOY BODY
•
MEDIA FOR WHICH DESIGNED: GAS
•
MAXIMUM INLET PRESSURE RATING: ERR-060
TECHNICAL CHARACTERISTICS
OUTLET PRESSURE RANGE50.0 TO 150.0 CAMERA MOUNT
END ITEM IDENTIFICATIONE/I STYLE "HG" 1/2 INCH PRESSURE REGULATING VALVE; W/S CODE NIMITZ CLASS CVN IN
MATERIALCOPPER ALLOY BODY
MEDIA FOR WHICH DESIGNEDGAS
MAXIMUM INLET PRESSURE RATINGERR-060
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 40494-301?
40494-301 is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for 40494-301?
40494-301 is cataloged in the U.S. Government catalog under NSN 4820-01-468-9926. 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.