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40402-401 ✓ Verified by PartsTable
— · 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

The NRP,VALVE,PRESSURE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, thickness: 0.938 INCHES NOMINAL IN, neck_height: 0.875 INCHES NOMINAL IN, socket_depth: 0.625 INCHES NOMINAL IN, flange_diameter: 6.125 INCHES NOMINAL IN, socket_diameter: 2.875 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-626-6585, 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
40402-401
NSN: 4820-01-626-6585
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thickness0.938 INCHES NOMINAL IN
neck_height0.875 INCHES NOMINAL IN
socket_depth0.625 INCHES NOMINAL IN
flange_diameter6.125 INCHES NOMINAL IN
socket_diameter2.875 INCHES NOMINAL IN
style_designatorROUND, ONE BOLT HOLE CIRCLE
bolt_hole_diameter0.688 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter5.000 INCHES NOMINAL IN
flange_section_stylePLAIN FACE, SOCKET NECK
end_item_identificationJRN KNOX CLASS FF
NSN4820-01-626-6585
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40402-401 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
00699067516618Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-20042Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-20042EInterchangeable
interchangeable cross-reference
interchangeable
MIL-F-20042Interchangeable
interchangeable cross-reference
interchangeable
CS4730-0108C053DHInterchangeable
interchangeable cross-reference
interchangeable
5000S4823-1385621Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40402-401?
40402-401 is a NRP,VALVE,PRESSURE.
What parts can replace 40402-401?
There are 7 known substitutes for 40402-401: 00699067516618, MIL-PRF-20042, MIL-PRF-20042E and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40402-401?
40402-401 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-626-6585. 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: July 2026