PartsTable
Technical Data Sheet
40402-408 ✓ 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, flow_control_device: DISK, valve_loading_method: SPRING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-367-5479, 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
40402-408
NSN: 4820-01-367-5479
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
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
material_document_and_classificationQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE SEAT
second_end_relationship_with_first_endIDENTICAL
NSN4820-01-367-5479
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 40402-408 · 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
FIRST END NOMINAL PIPE SIZE ACCOMMODATED: 2.000 INCHES IN
VALVE LOADING METHOD: SPRING
MEDIA FOR WHICH DESIGNED: WATER, SALT
REGULATION TYPE: AUTOMATIC SINGLE STAGE
FLOW CONTROL DEVICE: DISK
BODY STYLE: STRAIGHT THRU
MATERIAL: NICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE STEM
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES IN
VALVE LOADING METHODSPRING
MEDIA FOR WHICH DESIGNEDWATER, SALT
REGULATION TYPEAUTOMATIC SINGLE STAGE
FLOW CONTROL DEVICEDISK
BODY STYLESTRAIGHT THRU
MATERIALNICKEL ALLOY STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-288 FED SPEC SINGLE MATERIAL RESPONSE STEM
MATERIALNICKEL ALLOY AND COPPER ALLOY SEAT
FIRST END CONNECTION TYPEUNTHREADED INTERNAL PIPE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
K168AInterchangeable
interchangeable cross-reference
interchangeable
S16001Interchangeable
interchangeable cross-reference
interchangeable
7305Interchangeable
interchangeable cross-reference
interchangeable
29209DInterchangeable
interchangeable cross-reference
interchangeable
77206M1LG3278Interchangeable
interchangeable cross-reference
interchangeable
305MFQ5A7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 40402-408?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 40402-408?
40402-408 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40402-408?
There are 19 known substitutes for 40402-408: K168A, S16001, 7305 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40402-408?
40402-408 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-367-5479. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 40402-408