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PartsTable / COMPONENT / 40107-2 PIECE 18
40107-2 PIECE 18 ✓ 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 DISK,VALVE is a the manufacturer industrial component. Key specifications include overall_length: 7.750 INCHES NOMINAL IN, functional_description: FOR CUTTING AND CLEANING THREADS SIZE 6-32, 8-32, 10-32, 10-24, 12-24 AND 1/4-20 UNF, general_characteristics_item_description: CUSHION GRIP; REVERSIBLE STEPPED INSERT HAVING 3 THREAD SIZES EACH END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-384-8872, 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
40107-2 PIECE 18
NSN: 4820-01-384-8872
FSC: 4820
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
overall_length7.750 INCHES NOMINAL IN
functional_descriptionFOR CUTTING AND CLEANING THREADS SIZE 6-32, 8-32, 10-32, 10-24, 12-24 AND 1/4-20 UNF
general_characteristics_item_descriptionCUSHION GRIP; REVERSIBLE STEPPED INSERT HAVING 3 THREAD SIZES EACH END
NSN4820-01-384-8872
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 40107-2 PIECE 18 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
011-2004-000-47Interchangeable
interchangeable cross-reference
interchangeable
4030078-19Interchangeable
interchangeable cross-reference
interchangeable
571-4182-01-01-19Interchangeable
interchangeable cross-reference
interchangeable
543426Interchangeable
interchangeable cross-reference
interchangeable
1314X1Interchangeable
interchangeable cross-reference
interchangeable
40-1-07Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40107-2 PIECE 18?
40107-2 PIECE 18 is a DISK,VALVE.
What parts can replace 40107-2 PIECE 18?
There are 15 known substitutes for 40107-2 PIECE 18: 011-2004-000-47, 4030078-19, 571-4182-01-01-19 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40107-2 PIECE 18?
40107-2 PIECE 18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-384-8872. 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