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PartsTable / COMPONENT / HWWLN-1/4IN
HWWLN-1/4IN ✓ 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 HWWLN-1/4IN is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-201-2340, 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
HWWLN-1/4IN
NSN: 4820-01-201-2340
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part NumberHWWLN-1/4IN
NSN4820-01-201-2340
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: HWWLN-1/4IN · 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
•
MAXIMUM INLET PRESSURE RATING: ERR-060
•
END CONNECTION QUANTITY: 2
•
FILTER: NOT INCLUDED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
•
MATERIAL: NICKEL ALLOY K-500 STEM
•
BODY STYLE: STRAIGHT THRU
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM INLET PRESSURE RATINGERR-060
END CONNECTION QUANTITY2
FILTERNOT INCLUDED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286, CLASS B FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MATERIALNICKEL ALLOY K-500 STEM
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286, CLASS A FED SPEC SINGLE MATERIAL RESPONSE STEM
BODY STYLESTRAIGHT THRU
MATERIALNICKEL ALLOY 502 FLOW CONTROL DEVICE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B164 ASSN STD SINGLE MATERIAL RESPONSE SEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
CD 24463NL1Interchangeable
interchangeable cross-reference
interchangeable
19881NL1Interchangeable
interchangeable cross-reference
interchangeable
19881NInterchangeable
interchangeable cross-reference
interchangeable
5419353Interchangeable
interchangeable cross-reference
interchangeable
19881NPC9Interchangeable
interchangeable cross-reference
interchangeable
54193Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HWWLN-1/4IN?
HWWLN-1/4IN is a HWWLN-1/4IN.
What parts can replace HWWLN-1/4IN?
There are 10 known substitutes for HWWLN-1/4IN: CD 24463NL1, 19881NL1, 19881N and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HWWLN-1/4IN?
HWWLN-1/4IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-201-2340. 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