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PartsTable / COMPONENT / 40399-901
40399-901 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: RUBBER FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, furnished_items: UNION NUT AND TAILPIECE, flow_control_device: DISK, valve_loading_method: SPRING, media_for_which_designed: WATER, SALT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-256-3613, 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
40399-901
NSN: 4820-01-256-3613
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialRUBBER FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
furnished_itemsUNION NUT AND TAILPIECE
flow_control_deviceDISK
valve_loading_methodSPRING
end_connection_quantity2
media_for_which_designedWATER, SALT
first_end_connection_typeUNTHREADED INTERNAL PIPE
first_end_style_designatorSOCKET W/BRAZING RING
second_end_relationship_with_first_endIDENTICAL
first_end_nominal_pipe_size_accommodated1.000 INCHES IN
NSN4820-01-256-3613
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40399-901 · 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
•
END CONNECTION QUANTITY: 2
•
BODY STYLE: STRAIGHT THRU
•
MATERIAL: NICKEL ALLOY STEM
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
FLOW CONTROL DEVICE: DISK
•
FIRST END STYLE DESIGNATOR: SOCKET W/BRAZING RING
TECHNICAL CHARACTERISTICS (FLIS)
END CONNECTION QUANTITY2
BODY STYLESTRAIGHT THRU
MATERIALNICKEL ALLOY STEM
MATERIALRUBBER FLOW CONTROL DEVICE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALNICKEL ALLOY AND COPPER ALLOY SEAT
FLOW CONTROL DEVICEDISK
FIRST END STYLE DESIGNATORSOCKET W/BRAZING RING
FURNISHED ITEMSUNION NUT AND TAILPIECE
FIRST END CONNECTION TYPEUNTHREADED INTERNAL PIPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
40-399Interchangeable
interchangeable cross-reference
interchangeable
40399-903Interchangeable
interchangeable cross-reference
interchangeable
40399-911Interchangeable
interchangeable cross-reference
interchangeable
40399-9 ASSY 40399-911Interchangeable
interchangeable cross-reference
interchangeable
40399-910Interchangeable
interchangeable cross-reference
interchangeable
40399-9 ASSY 40399-910Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40399-901?
40399-901 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40399-901?
There are 8 known substitutes for 40399-901: 40-399, 40399-903, 40399-911 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40399-901?
40399-901 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-256-3613. 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