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40492-301 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

40492-301: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: NICKEL ALLOY STEM, body_style: STRAIGHT THRU, special_features: SPRING RANGE 5 TO 150 P.S.I., flow_control_device: DIAPHRAGM, valve_loading_method: SPRING, end_item_identification: W/S SUPPLY CLASS AOE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-464-8370, 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
40492-301
NSN: 4820-01-464-8370
FSC: 4820 — Valves, Nonpowered
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialNICKEL ALLOY STEM
body_styleSTRAIGHT THRU
special_featuresSPRING RANGE 5 TO 150 P.S.I.
flow_control_deviceDIAPHRAGM
valve_loading_methodSPRING
end_connection_quantity2
end_item_identificationW/S SUPPLY CLASS AOE
media_for_which_designedAIR OR GAS
material_document_and_classificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
NSN4820-01-464-8370
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40492-301 · 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
•
FLOW CONTROL DEVICE: DIAPHRAGM
•
BODY STYLE: STRAIGHT THRU
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE STEM
•
END CONNECTION QUANTITY: 2
•
VALVE LOADING METHOD: SPRING
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDIAPHRAGM
BODY STYLESTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
END CONNECTION QUANTITY2
VALVE LOADING METHODSPRING
SPECIAL FEATURESSPRING RANGE 5 TO 150 P.S.I.
END ITEM IDENTIFICATIONW/S SUPPLY CLASS AOE
MATERIALNICKEL ALLOY STEM
MATERIALNICKEL ALLOY AND COPPER ALLOY SEAT
SUBSTITUTES & CROSS-REFERENCES 1
40492-3Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 40492-301?
40492-301 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40492-301?
There is 1 known substitute for 40492-301: 40492-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 40492-301?
40492-301 is cataloged in the U.S. Government catalog under NSN 4820-01-464-8370. 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.