PartsTable
Technical Data Sheet
40399-04 50T 10 ✓ 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 PACKING, body_style: STRAIGHT THRU, temp_rating: 100.0 FAHRENHEIT MAXIMUM DEGF, regulation_type: AUTOMATIC DOUBLE STAGE, special_features: WEAPON SYSTEM ESSENTIAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-133-3781, 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
40399-04 50T 10
NSN: 4820-01-133-3781
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
body_styleSTRAIGHT THRU
temp_rating100.0 FAHRENHEIT MAXIMUM DEGF
regulation_typeAUTOMATIC DOUBLE STAGE
special_featuresWEAPON SYSTEM ESSENTIAL
valve_stem_designDOUBLE SEAT
flow_control_deviceDISK
valve_loading_methodSPRING
outlet_pressure_range50.0 TO 100.0 CAMERA MOUNT
end_connection_quantity2
end_item_identificationAUSTIN SHIP CLASS LPD-4 AMPHIBIOUS TRANSPORT DOCKS. KIDD CLASS DDG, SPRUANCE CLASS DD 9963), OLIVER PERRY CLASS FFG, SAFEGUARD CLASS ARS.
NSN4820-01-133-3781
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 40399-04 50T 10 · 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 CONNECTION TYPE: UNTHREADED INTERNAL PIPE
MATERIAL: RUBBER FLOW CONTROL DEVICE
BODY STYLE: STRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
FILTER: NOT INCLUDED
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END CONNECTION TYPEUNTHREADED INTERNAL PIPE
MATERIALRUBBER FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY STEM
BODY STYLESTRAIGHT THRU
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
FILTERNOT INCLUDED
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MATERIALBRONZE SEAT
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
E420ALT6Interchangeable
interchangeable cross-reference
interchangeable
40399-906Interchangeable
interchangeable cross-reference
interchangeable
40399-01 1IN 25Interchangeable
interchangeable cross-reference
interchangeable
30806030Interchangeable
interchangeable cross-reference
interchangeable
30806262Interchangeable
interchangeable cross-reference
interchangeable
436 1INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40399-04 50T 10?
40399-04 50T 10 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40399-04 50T 10?
There are 9 known substitutes for 40399-04 50T 10: E420ALT6, 40399-906, 40399-01 1IN 25 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40399-04 50T 10?
40399-04 50T 10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-133-3781. This indicates validated use in U.S. government and defense supply chains.
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