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Technical Data Sheet
PartsTable / COMPONENT / 6341.1
6341.1 ✓ 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 6341.1 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 4810-01-150-2238, 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
6341.1
NSN: 4810-01-150-2238
FSC: 4810
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
Part Number6341.1
NSN4810-01-150-2238
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6341.1 · 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
•
OPERATING PRESSURE: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
RENEWABLE SEAT RING TYPE: THREADED
•
FLANGE FACE DESIGN: PLAIN ALL ENDS
•
NOMINAL OUTSIDE DIAMETER: 12.375 INCHES ALL ENDS IN
•
FACE TO FACE DISTANCE: 20.250 INCHES IN
•
BOLT HOLE QUANTITY: 14 ALL ENDS
•
MATERIAL: NICKEL ALLOY SEAT
•
VALVE SIZE: 8.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
RENEWABLE SEAT RING TYPETHREADED
FLANGE FACE DESIGNPLAIN ALL ENDS
NOMINAL OUTSIDE DIAMETER12.375 INCHES ALL ENDS IN
FACE TO FACE DISTANCE20.250 INCHES IN
BOLT HOLE QUANTITY14 ALL ENDS
MATERIALNICKEL ALLOY SEAT
VALVE SIZE8.000 INCHES IN
MATERIALCOPPER ALLOY BODY
MOUNTING POSITIONHORIZONTAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
L-NB252251-SMCT03Interchangeable
interchangeable cross-reference
interchangeable
L-NB252251-SMCT03PC6Interchangeable
interchangeable cross-reference
interchangeable
L-NB252251-SMCT03 PIECE 7Interchangeable
interchangeable cross-reference
interchangeable
149908023Interchangeable
interchangeable cross-reference
interchangeable
395-1Interchangeable
interchangeable cross-reference
interchangeable
63411Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6341.1?
6341.1 is a 6341.1.
What parts can replace 6341.1?
There are 7 known substitutes for 6341.1: L-NB252251-SMCT03, L-NB252251-SMCT03PC6, L-NB252251-SMCT03 PIECE 7 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6341.1?
6341.1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-150-2238. 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