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PartsTable / COMPONENT / 21742N PIECE 4
21742N PIECE 4 ✓ 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 ADJUSTING SCREW,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CRES AISI TYPE 416. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-231-7089, 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
21742N PIECE 4
NSN: 4820-01-231-7089
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES AISI TYPE 416
NSN4820-01-231-7089
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21742N PIECE 4 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CRES AISI TYPE 416
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCRES AISI TYPE 416
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
21742NInterchangeable
interchangeable cross-reference
interchangeable
MILG18916Interchangeable
interchangeable cross-reference
interchangeable
21737NInterchangeable
interchangeable cross-reference
interchangeable
13581Interchangeable
interchangeable cross-reference
interchangeable
53826Interchangeable
interchangeable cross-reference
interchangeable
PTLNS-5 1 INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21742N PIECE 4?
21742N PIECE 4 is a ADJUSTING SCREW,VALVE.
What parts can replace 21742N PIECE 4?
There are 9 known substitutes for 21742N PIECE 4: 21742N, MILG18916, 21737N and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21742N PIECE 4?
21742N PIECE 4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-231-7089. 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