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40490-905 — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: RUBBER SYNTHETIC SEAT, body_style: STRAIGHT THRU, overall_length: 11.8125 INCHES MINIMUM AND 12.0625 INCHES MAXIMUM IN, special_features: PSI 25-60, valve_stem_design: SINGLE SEAT, flow_control_device: DISK. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-725-5024, 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
40490-905
NSN: 4820-01-725-5024
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEAT
body_styleSTRAIGHT THRU
overall_length11.8125 INCHES MINIMUM AND 12.0625 INCHES MAXIMUM IN
special_featuresPSI 25-60
valve_stem_designSINGLE SEAT
flow_control_deviceDISK
valve_loading_methodSPRING
end_connection_quantity2
material_document_and_classificationUNABLE TO DECODE
NSN4820-01-725-5024
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40490-905 · 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
•
VALVE LOADING METHOD: SPRING
•
MATERIAL: RUBBER SYNTHETIC SEAT
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
END CONNECTION QUANTITY: 2
•
FLOW CONTROL DEVICE: DISK
•
VALVE STEM DESIGN: SINGLE SEAT
TECHNICAL CHARACTERISTICS
OVERALL LENGTH11.8125 INCHES MINIMUM AND 12.0625 INCHES MAXIMUM IN
VALVE LOADING METHODSPRING
MATERIALRUBBER SYNTHETIC SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
END CONNECTION QUANTITY2
FLOW CONTROL DEVICEDISK
SPECIAL FEATURESPSI 25-60
VALVE STEM DESIGNSINGLE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
BODY STYLESTRAIGHT THRU
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
404 909InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
ANN5InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS20365-632CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
40490-9 PART 40490-903InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MIL-V-24384InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
40490-903InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40490-905?
40490-905 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40490-905?
There are 9 known substitutes for 40490-905: 404 909, ANN5, MS20365-632C and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40490-905?
40490-905 is cataloged in the Federal Logistics Information System under NSN 4820-01-725-5024. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026