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PartsTable / COMPONENT / B-337 SZ 1/4 IN
B-337 SZ 1/4 IN ✓ 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 B-337 SZ 1/4 IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-640-0292, 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
B-337 SZ 1/4 IN
NSN: 4820-00-640-0292
FSC: 4820
CAGE: 82666 — STOCKHAM VALVES AND FITTINGS INC (USA)
SPECIFICATIONS
Part NumberB-337 SZ 1/4 IN
NSN4820-00-640-0292
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-337 SZ 1/4 IN · 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
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MAXIMUM OPERATING TEMP: 550.0 FAHRENHEIT FIRST RESPONSE DEGF
•
MOUNTING POSITION: HORIZONTAL
•
BONNET TYPE: INSIDE SPRING
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
FLOW CONTROL DEVICE: DISK
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MAXIMUM OPERATING TEMP550.0 FAHRENHEIT FIRST RESPONSE DEGF
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE DEGF
MOUNTING POSITIONHORIZONTAL
BONNET TYPEINSIDE SPRING
THREAD DIRECTIONRIGHT-HAND ALL ENDS
FLOW CONTROL DEVICEDISK
VALVE OPERATION METHODMANUAL
BONNET ATTACHMENT METHODTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
16714Interchangeable
interchangeable cross-reference
interchangeable
MC16714Interchangeable
interchangeable cross-reference
interchangeable
8158Interchangeable
interchangeable cross-reference
interchangeable
11926Interchangeable
interchangeable cross-reference
interchangeable
81-5/8Interchangeable
interchangeable cross-reference
interchangeable
981-5/8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-337 SZ 1/4 IN?
B-337 SZ 1/4 IN is a B-337 SZ 1/4 IN.
What parts can replace B-337 SZ 1/4 IN?
There are 17 known substitutes for B-337 SZ 1/4 IN: 16714, MC16714, 8158 and 14 more. Substitute compatibility should be verified for your specific system.
Is B-337 SZ 1/4 IN still available?
B-337 SZ 1/4 IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026