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Technical Data Sheet
PartsTable / COMPONENT / B2311
B2311 ✓ 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 VALVE,VACUUM BREAKING is a the manufacturer industrial component. Key specifications include special_features: OD 1.000 IN. 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 4820-01-282-4121, 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
B2311
NSN: 4820-01-282-4121
FSC: 4820
CAGE: 0B5H6 — NIANTIC TOOL, INC. DBA NIANTIC TOOL CO (USA)
SPECIFICATIONS
special_featuresOD 1.000 IN. IN
NSN4820-01-282-4121
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B2311 · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESOD 1.000 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
230394Interchangeable
interchangeable cross-reference
interchangeable
7-069-000018Interchangeable
interchangeable cross-reference
interchangeable
90032Interchangeable
interchangeable cross-reference
interchangeable
Y9000Interchangeable
interchangeable cross-reference
interchangeable
5180-00-701-8046Interchangeable
interchangeable cross-reference
interchangeable
NS3205-4B REVD 4INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B2311?
B2311 is a VALVE,VACUUM BREAKING.
What parts can replace B2311?
There are 14 known substitutes for B2311: 230394, 7-069-000018, 90032 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B2311?
B2311 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-282-4121. 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