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Technical Data Sheet
PartsTable / COMPONENT / TYPE 2 CLASS 125, 1 INCH
TYPE 2 CLASS 125, 1 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 2 CLASS 125, 1 INCH is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-595-1844, 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 2 CLASS 125, 1 INCH
NSN: 4820-00-595-1844
FSC: 4820
CAGE: 59646 — MANUFACTURERS STANDARDIZATION SOCIETY OF THE VALVE AND FITTINGS INDUSTRY INC (USA)
SPECIFICATIONS
Part NumberTYPE 2 CLASS 125, 1 INCH
NSN4820-00-595-1844
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: TYPE 2 CLASS 125, 1 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK
•
MATERIAL: COPPER ALLOY 694 STEM
•
PRESSURE CLASS: ERR-060
•
VALVE SIZE: 1.000 INCHES IN
•
VALVE OPERATION METHOD: MANUAL
•
CONNECTION TYPE: THREADED INTERNAL PIPE
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIALCOPPER ALLOY 694 STEM
MATERIALCOPPER ALLOY 836 DISK
PRESSURE CLASSERR-060
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B-62 ASSN STD SINGLE MATERIAL RESPONSE BODY
VALVE SIZE1.000 INCHES IN
VALVE OPERATION METHODMANUAL
CONNECTION TYPETHREADED INTERNAL PIPE
FEATURES PROVIDEDBONNET PACKING
END ITEM IDENTIFICATIONLOGISTICS SUPPORT VESSEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
11031Interchangeable
interchangeable cross-reference
interchangeable
5552Interchangeable
interchangeable cross-reference
interchangeable
7007Interchangeable
interchangeable cross-reference
interchangeable
79016Interchangeable
interchangeable cross-reference
interchangeable
79050Interchangeable
interchangeable cross-reference
interchangeable
1804378Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TYPE 2 CLASS 125, 1 INCH?
TYPE 2 CLASS 125, 1 INCH is a TYPE 2 CLASS 125, 1 INCH.
What parts can replace TYPE 2 CLASS 125, 1 INCH?
There are 33 known substitutes for TYPE 2 CLASS 125, 1 INCH: 11031, 5552, 7007 and 30 more. Substitute compatibility should be verified for your specific system.
Is TYPE 2 CLASS 125, 1 INCH still available?
TYPE 2 CLASS 125, 1 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