PartsTable
Technical Data Sheet
40398-911 ✓ 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: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, furnished_items: TAILPIECE, regulation_type: AUTOMATIC SINGLE STAGE, 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 4820-01-474-6186, 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
40398-911
NSN: 4820-01-474-6186
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
furnished_itemsTAILPIECE
regulation_typeAUTOMATIC SINGLE STAGE
special_featuresVALVE HAS NO. 30 RETAINING RING, NO. 33 O-RING U/E AND NO. 12 SILBRAZ TAILPIECE; DOES NOT INCLUDE BRAZING RING; MAXIMUM CAPACITY 45 GPM (WIDE OPEN)
flow_control_deviceDISK
valve_loading_methodSPRING
outlet_pressure_range35.0 TO 100.0 CAMERA MOUNT
end_connection_quantity2
outlet_pressure_settingERR-060
media_for_which_designedWATER, SALT
NSN4820-01-474-6186
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 40398-911 · 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
RENEWABLE SEAT RING TYPE: THREADED
FURNISHED ITEMS: TAILPIECE
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
REGULATION TYPE: AUTOMATIC SINGLE STAGE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED: 0.750 INCHES IN
MEDIA FOR WHICH DESIGNED: WATER, SALT
TECHNICAL CHARACTERISTICS (FLIS)
END CONNECTION QUANTITY2
RENEWABLE SEAT RING TYPETHREADED
FURNISHED ITEMSTAILPIECE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
REGULATION TYPEAUTOMATIC SINGLE STAGE
FIRST END NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES IN
MEDIA FOR WHICH DESIGNEDWATER, SALT
SPECIAL FEATURESVALVE HAS NO. 30 RETAINING RING, NO. 33 O-RING U/E AND NO. 12 SILBRAZ TAILPIECE; DOES NOT INCLUDE BRAZING RING; MAXIMUM CAPACITY 45 GPM (WIDE OPEN)
MATERIALCOPPER ALLOY 922 BODY
OUTLET PRESSURE SETTINGERR-060
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
403989Interchangeable
interchangeable cross-reference
interchangeable
40398-09Interchangeable
interchangeable cross-reference
interchangeable
40398-901Interchangeable
interchangeable cross-reference
interchangeable
CVCPICInterchangeable
interchangeable cross-reference
interchangeable
40398-905Interchangeable
interchangeable cross-reference
interchangeable
40398-909Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40398-911?
40398-911 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40398-911?
There are 10 known substitutes for 40398-911: 403989, 40398-09, 40398-901 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40398-911?
40398-911 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-474-6186. This indicates validated use in U.S. government and defense supply chains.
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