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PartsTable / COMPONENT / TYPE 1/CL 125/SIZE 1/2 INCH
TYPE 1/CL 125/SIZE 1/2 INCH ✓ 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 TYPE 1/CL 125/SIZE 1/2 INCH is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-262-7017, 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
TYPE 1/CL 125/SIZE 1/2 INCH
NSN: 4820-00-262-7017
FSC: 4820
CAGE: 59646 — MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTRY INC (USA)
SPECIFICATIONS
Part NumberTYPE 1/CL 125/SIZE 1/2 INCH
NSN4820-00-262-7017
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: TYPE 1/CL 125/SIZE 1/2 INCH · 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
•
BONNET ATTACHMENT METHOD: INTEGRAL
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
RENEWABLE SEAT RING TYPE: THREADED
•
MAXIMUM OPERATING TEMP: 406.0 FAHRENHEIT FIRST RESPONSE DEGF
•
MATERIAL: COPPER ALLOY 836 FLOW CONTROL DEVICE
TECHNICAL CHARACTERISTICS (FLIS)
BONNET ATTACHMENT METHODINTEGRAL
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
RENEWABLE SEAT RING TYPETHREADED
MAXIMUM OPERATING TEMP406.0 FAHRENHEIT FIRST RESPONSE DEGF
MATERIALCOPPER ALLOY 836 FLOW CONTROL DEVICE
MAXIMUM OPERATING TEMP150.0 FAHRENHEIT SECOND RESPONSE DEGF
MATERIALCOPPER ALLOY 836 BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B62 ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
OPERATING PRESSURE125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
046Interchangeable
interchangeable cross-reference
interchangeable
B238Interchangeable
interchangeable cross-reference
interchangeable
M31Interchangeable
interchangeable cross-reference
interchangeable
7036150Interchangeable
interchangeable cross-reference
interchangeable
2510002404831Interchangeable
interchangeable cross-reference
interchangeable
AA-B-605Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TYPE 1/CL 125/SIZE 1/2 INCH?
TYPE 1/CL 125/SIZE 1/2 INCH is a TYPE 1/CL 125/SIZE 1/2 INCH.
What parts can replace TYPE 1/CL 125/SIZE 1/2 INCH?
There are 22 known substitutes for TYPE 1/CL 125/SIZE 1/2 INCH: 046, B238, M31 and 19 more. Substitute compatibility should be verified for your specific system.
Is TYPE 1/CL 125/SIZE 1/2 INCH still available?
TYPE 1/CL 125/SIZE 1/2 INCH 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