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Technical Data Sheet
PartsTable / COMPONENT / 125T-1/2IN
125T-1/2IN ✓ 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 125T-1/2IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-227-0166, 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
125T-1/2IN
NSN: 4820-00-227-0166
FSC: 4820
CAGE: 14652 — UNITED BRASS WORKS, INC. DBA UNITED BRASS WORKS (USA)
SPECIFICATIONS
Part Number125T-1/2IN
NSN4820-00-227-0166
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 125T-1/2IN · 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
•
MAXIMUM OPERATING TEMP: 150.0 FAHRENHEIT SECOND RESPONSE DEGF
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
FEATURES PROVIDED: BONNET PACKING
•
OPERATING PRESSURE: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
•
BONNET TYPE: INSIDE SCREW
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE DEGF
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT FIRST RESPONSE DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
FEATURES PROVIDEDBONNET PACKING
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
BONNET TYPEINSIDE SCREW
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1 STYLE OR A CLASS AND 1/2 SIZE
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
DMS 83045BInterchangeable
interchangeable cross-reference
interchangeable
MIL-E-1/1334Interchangeable
interchangeable cross-reference
interchangeable
7296Interchangeable
interchangeable cross-reference
interchangeable
150112Interchangeable
interchangeable cross-reference
interchangeable
1505 1/2Interchangeable
interchangeable cross-reference
interchangeable
104105000Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 125T-1/2IN?
125T-1/2IN is a 125T-1/2IN.
What parts can replace 125T-1/2IN?
There are 25 known substitutes for 125T-1/2IN: DMS 83045B, MIL-E-1/1334, 7296 and 22 more. Substitute compatibility should be verified for your specific system.
Is 125T-1/2IN still available?
125T-1/2IN 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