PartsTable
Technical Data Sheet
40399-910 ✓ 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 filter: NOT INCLUDED, material: NICKEL ALLOY AND COPPER ALLOY SEAT, body_style: STRAIGHT THRU, regulation_type: AUTOMATIC SINGLE STAGE, special_features: VALVE SIZE 1IN IN, 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 (FLIS) under NSN 4820-01-466-2485, 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
40399-910
NSN: 4820-01-466-2485
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialNICKEL ALLOY AND COPPER ALLOY SEAT
body_styleSTRAIGHT THRU
regulation_typeAUTOMATIC SINGLE STAGE
special_featuresVALVE SIZE 1IN IN
flow_control_deviceDISK
valve_loading_methodSPRING
end_connection_quantity2
end_item_identificationWHIDBEY ISLAND CLASS LSD
media_for_which_designedWATER, SALT
first_end_connection_typeUNTHREADED INTERNAL PIPE
first_end_style_designatorREDUCED SOCKET WITH ONE BRAZING RING
NSN4820-01-466-2485
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 40399-910 · 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
BODY STYLE: STRAIGHT THRU
MATERIAL: NICKEL ALLOY STEM
VALVE LOADING METHOD: SPRING
FIRST END STYLE DESIGNATOR: REDUCED SOCKET WITH ONE BRAZING RING
FIRST END CONNECTION TYPE: UNTHREADED INTERNAL PIPE
FLOW CONTROL DEVICE: DISK
REGULATION TYPE: AUTOMATIC SINGLE STAGE
FILTER: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
BODY STYLESTRAIGHT THRU
MATERIALNICKEL ALLOY STEM
VALVE LOADING METHODSPRING
FIRST END STYLE DESIGNATORREDUCED SOCKET WITH ONE BRAZING RING
FIRST END CONNECTION TYPEUNTHREADED INTERNAL PIPE
FLOW CONTROL DEVICEDISK
REGULATION TYPEAUTOMATIC SINGLE STAGE
FILTERNOT INCLUDED
MATERIALNICKEL ALLOY AND COPPER ALLOY SEAT
MAXIMUM INLET PRESSURE RATINGERR-060
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
40-399Interchangeable
interchangeable cross-reference
interchangeable
40399-903Interchangeable
interchangeable cross-reference
interchangeable
40399-901Interchangeable
interchangeable cross-reference
interchangeable
40399-911Interchangeable
interchangeable cross-reference
interchangeable
40399-9 ASSY 40399-911Interchangeable
interchangeable cross-reference
interchangeable
40399-410Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40399-910?
40399-910 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40399-910?
There are 8 known substitutes for 40399-910: 40-399, 40399-903, 40399-901 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40399-910?
40399-910 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-466-2485. This indicates validated use in U.S. government and defense supply chains.
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