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Technical Data Sheet
PartsTable / COMPONENT / 0250 SZ 1/4 IN
0250 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 0250 SZ 1/4 IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-268-9151, 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
0250 SZ 1/4 IN
NSN: 4820-00-268-9151
FSC: 4820
CAGE: 21368 — FAIRBANKS CO THE (USA)
SPECIFICATIONS
Part Number0250 SZ 1/4 IN
NSN4820-00-268-9151
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 0250 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
•
FEATURES PROVIDED: BONNET PACKING
•
PRESSURE CLASS: ERR-060
•
STEM TYPE: NONRISING
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
BONNET TYPE: INSIDE SCREW
•
MATERIAL: COPPER ALLOY 836 BODY
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
FEATURES PROVIDEDBONNET PACKING
PRESSURE CLASSERR-060
STEM TYPENONRISING
INLET RELATIONSHIP WITH OUTLETIDENTICAL
BONNET TYPEINSIDE SCREW
MATERIALCOPPER ALLOY 836 BODY
SPECIAL FEATURESSOLID WEDGE; TAPERED SEAT
NOMINAL THREAD SIZE0.250 INCHES IN
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED406.0 FAHRENHEIT STEAM AND 150.0 FAHRENHEIT WATER-OIL-GAS DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B62 ASSN STD SINGLE MATERIAL RESPONSE BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
0052049Interchangeable
interchangeable cross-reference
interchangeable
NU 306Interchangeable
interchangeable cross-reference
interchangeable
370Interchangeable
interchangeable cross-reference
interchangeable
TT5258Interchangeable
interchangeable cross-reference
interchangeable
438Interchangeable
interchangeable cross-reference
interchangeable
60-P-31-129Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0250 SZ 1/4 IN?
0250 SZ 1/4 IN is a 0250 SZ 1/4 IN.
What parts can replace 0250 SZ 1/4 IN?
There are 29 known substitutes for 0250 SZ 1/4 IN: 0052049, NU 306, 370 and 26 more. Substitute compatibility should be verified for your specific system.
Is 0250 SZ 1/4 IN still available?
0250 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