PartsTable
Technical Data Sheet
MS35931-1 ✓ 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 COCK,PLUG is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, flow_style: TWO WAY TWO PORT 90 DEGREE PLUG TURN, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN, OPTIONAL END (PIPE) ALL ENDS, thread_direction: RIGHT-HAND ALL ENDS, nominal_thread_size: 0.125 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-629-0871, 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
MS35931-1
NSN: 4820-00-629-0871
FSC: 4820
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
flow_styleTWO WAY TWO PORT 90 DEGREE PLUG TURN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN, OPTIONAL END (PIPE) ALL ENDS
thread_directionRIGHT-HAND ALL ENDS
nominal_thread_size0.125 INCHES ALL ENDS IN
valve_operation_methodMANUAL
thread_series_designatorNPT ALL ENDS
NSN4820-00-629-0871
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: MS35931-1 · 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
FLOW STYLE: TWO WAY TWO PORT 90 DEGREE PLUG TURN
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
THREAD SERIES DESIGNATOR: NPT ALL ENDS
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
MATERIAL: COPPER ALLOY OVERALL
NOMINAL THREAD SIZE: 0.125 INCHES ALL ENDS IN
VALVE OPERATION METHOD: MANUAL
THREAD DIRECTION: RIGHT-HAND ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
FLOW STYLETWO WAY TWO PORT 90 DEGREE PLUG TURN
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE0.125 INCHES ALL ENDS IN
VALVE OPERATION METHODMANUAL
THREAD DIRECTIONRIGHT-HAND ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1177Interchangeable
interchangeable cross-reference
interchangeable
1177EInterchangeable
interchangeable cross-reference
interchangeable
1257Interchangeable
interchangeable cross-reference
interchangeable
349RInterchangeable
interchangeable cross-reference
interchangeable
1456Interchangeable
interchangeable cross-reference
interchangeable
5315L20-006Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS35931-1?
MS35931-1 is a COCK,PLUG.
What parts can replace MS35931-1?
There are 12 known substitutes for MS35931-1: 1177, 1177E, 1257 and 9 more. Substitute compatibility should be verified for your specific system.
Is MS35931-1 still available?
MS35931-1 is currently cancelled.
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