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3WB149 ✓ 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 POPPET,TREADLE VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL; 0.550 IN. OD; 0.230 IN.

ID IN. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-104-9312, 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
3WB149
NSN: 4820-01-104-9312
FSC: 4820
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL; 0.550 IN. OD; 0.230 IN. ID IN
NSN4820-01-104-9312
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3WB149 · 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: STEEL; 0.550 IN. OD; 0.230 IN. ID IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL; 0.550 IN. OD; 0.230 IN. ID IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
CV2425ASA69Interchangeable
interchangeable cross-reference
interchangeable
101362Interchangeable
interchangeable cross-reference
interchangeable
2HS311Interchangeable
interchangeable cross-reference
interchangeable
CROMALINInterchangeable
interchangeable cross-reference
interchangeable
CVCInterchangeable
interchangeable cross-reference
interchangeable
NUBB2-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3WB149?
3WB149 is a POPPET,TREADLE VALVE.
What parts can replace 3WB149?
There are 9 known substitutes for 3WB149: CV2425ASA69, 101362, 2HS311 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3WB149?
3WB149 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-104-9312. 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