PartsTable
Technical Data Sheet
MS21211-4 ✓ 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 RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END, special_features: THIRD END MS33656 FOR 5/16 IN. OD TUBING; OXYGEN CLEANING REQUIRED PER AIR FORCE DRAWING OR EQUIVALENT SPEC.

IN, thread_direction: RIGHT-HAND FIRST END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-529-3198, 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
MS21211-4
NSN: 4820-00-529-3198
FSC: 4820
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
special_featuresTHIRD END MS33656 FOR 5/16 IN. OD TUBING; OXYGEN CLEANING REQUIRED PER AIR FORCE DRAWING OR EQUIVALENT SPEC. IN
thread_directionRIGHT-HAND FIRST END
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
flow_control_deviceBALL
nominal_thread_size0.500 INCHES FIRST END IN
maximum_operating_temp65.0 FAHRENHEIT SINGLE RESPONSE DEGF
media_for_which_designedOXYGEN, GASEOUS SINGLE RESPONSE
NSN4820-00-529-3198
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: MS21211-4 · 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
TEST DATA DOCUMENT: 81349-MIL-V-7908 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SEAT ANGLE: 37.0 DEGREES FIRST END
THREAD CLASS: 3A FIRST END A
MOUNTING POSITION: HORIZONTAL OR VERTICAL
FLOW CONTROL DEVICE: BALL
MAXIMUM OPERATING TEMP: 65.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLE: FLARED (TUBE) FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
TEST DATA DOCUMENT81349-MIL-V-7908 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
SEAT ANGLE37.0 DEGREES FIRST END
SPECIAL FEATURESTHIRD END MS33656 FOR 5/16 IN. OD TUBING; OXYGEN CLEANING REQUIRED PER AIR FORCE DRAWING OR EQUIVALENT SPEC. IN
THREAD CLASS3A FIRST END A
MOUNTING POSITIONHORIZONTAL OR VERTICAL
FLOW CONTROL DEVICEBALL
MAXIMUM OPERATING TEMP65.0 FAHRENHEIT SINGLE RESPONSE DEGF
CONNECTION STYLEFLARED (TUBE) FIRST END
THREAD SERIES DESIGNATORUNF FIRST END
NONDEFINITIVE SPEC/STD DATAD STYLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
616-3Interchangeable
interchangeable cross-reference
interchangeable
CGAS4645Interchangeable
interchangeable cross-reference
interchangeable
9802Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
1329898-2400Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS21211-4?
MS21211-4 is a RESISTOR,FIXED,WIRE WOUND.
What parts can replace MS21211-4?
There are 30 known substitutes for MS21211-4: 616-3, CGAS4645, 9802 and 27 more. Substitute compatibility should be verified for your specific system.
Is MS21211-4 still available?
MS21211-4 is currently cancelled.
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