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Technical Data Sheet
PartsTable / COMPONENT / 21731N
21731N ✓ 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 FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: MATERIAL, BRONZE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-127-2637, 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
21731N
NSN: 4810-01-127-2637
FSC: 4810
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMATERIAL, BRONZE
NSN4810-01-127-2637
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21731N · 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: MATERIAL, BRONZE
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATERIAL, BRONZE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
HSA000583Interchangeable
interchangeable cross-reference
interchangeable
LFP4005Interchangeable
interchangeable cross-reference
interchangeable
1792Interchangeable
interchangeable cross-reference
interchangeable
51792Interchangeable
interchangeable cross-reference
interchangeable
SR2-5K25NInterchangeable
interchangeable cross-reference
interchangeable
SR2-5XK25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21731N?
21731N is a FILTER ELEMENT,FLUID.
What parts can replace 21731N?
There are 10 known substitutes for 21731N: HSA000583, LFP4005, 1792 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21731N?
21731N is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-127-2637. 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