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Technical Data Sheet
PartsTable / COMPONENT / B-319 SZ 3/4 IN
B-319 SZ 3/4 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-319 SZ 3/4 IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-288-6678, 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-319 SZ 3/4 IN
NSN: 4820-00-288-6678
FSC: 4820
CAGE: 82666 — STOCKHAM VALVES AND FITTINGS INC (USA)
SPECIFICATIONS
Part NumberB-319 SZ 3/4 IN
NSN4820-00-288-6678
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B-319 SZ 3/4 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
•
VALVE OPERATION METHOD: AUTOMATIC
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
•
DISK LOADING METHOD: WEIGHT
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
STYLE DESIGNATOR: STRAIGHT THRU
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODAUTOMATIC
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE DEGF
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT FIRST RESPONSE DEGF
DISK LOADING METHODWEIGHT
MOUNTING POSITIONHORIZONTAL OR VERTICAL
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
0600Interchangeable
interchangeable cross-reference
interchangeable
1050Interchangeable
interchangeable cross-reference
interchangeable
TELFAInterchangeable
interchangeable cross-reference
interchangeable
A-A-53262Interchangeable
interchangeable cross-reference
interchangeable
72386-106Interchangeable
interchangeable cross-reference
interchangeable
0340-0020Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-319 SZ 3/4 IN?
B-319 SZ 3/4 IN is a B-319 SZ 3/4 IN.
What parts can replace B-319 SZ 3/4 IN?
There are 35 known substitutes for B-319 SZ 3/4 IN: 0600, 1050, TELFA and 32 more. Substitute compatibility should be verified for your specific system.
Is B-319 SZ 3/4 IN still available?
B-319 SZ 3/4 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