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PartsTable / COMPONENT / 40063-4 ITEM 16
40063-4 ITEM 16 ✓ 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

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, overall_length: 4.375 INCHES NOMINAL IN, stem_actuating_end_type: THREADED EXTERNALLY, largest_outside_diameter: 0.250 INCHES NOMINAL IN, valve_size_for_which_designed: 1.250 INCHES IN, valve_type_for_which_designed: REGULATOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-215-1693, 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
40063-4 ITEM 16
NSN: 4820-01-215-1693
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303
overall_length4.375 INCHES NOMINAL IN
stem_actuating_end_typeTHREADED EXTERNALLY
largest_outside_diameter0.250 INCHES NOMINAL IN
valve_size_for_which_designed1.250 INCHES IN
valve_type_for_which_designedREGULATOR
NSN4820-01-215-1693
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40063-4 ITEM 16 · 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
•
MATERIAL: STEEL COMP 303
•
LARGEST OUTSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
VALVE TYPE FOR WHICH DESIGNED: REGULATOR
•
STEM ACTUATING END TYPE: THREADED EXTERNALLY
•
VALVE SIZE FOR WHICH DESIGNED: 1.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 303
LARGEST OUTSIDE DIAMETER0.250 INCHES NOMINAL IN
VALVE TYPE FOR WHICH DESIGNEDREGULATOR
OVERALL LENGTH4.375 INCHES NOMINAL IN
STEM ACTUATING END TYPETHREADED EXTERNALLY
VALVE SIZE FOR WHICH DESIGNED1.250 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
38305Interchangeable
interchangeable cross-reference
interchangeable
P-18606Interchangeable
interchangeable cross-reference
interchangeable
1229D1278Interchangeable
interchangeable cross-reference
interchangeable
038304Interchangeable
interchangeable cross-reference
interchangeable
38304Interchangeable
interchangeable cross-reference
interchangeable
13206E4482-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40063-4 ITEM 16?
40063-4 ITEM 16 is a STEM,FLUID VALVE.
What parts can replace 40063-4 ITEM 16?
There are 14 known substitutes for 40063-4 ITEM 16: 38305, P-18606, 1229D1278 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40063-4 ITEM 16?
40063-4 ITEM 16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-215-1693. 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