PartsTable
Technical Data Sheet
1-2-SP-B-12-S-2 ✓ 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 VALVE,BALL is a the manufacturer industrial component. Key specifications include material: BRONZE BODY, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS, operating_pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-172-8229, 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
1-2-SP-B-12-S-2
NSN: 4820-01-172-8229
FSC: 4820
CAGE: 92021 — IMI CRITICAL ENGR PBM LLC (USA)
SPECIFICATIONS
materialBRONZE BODY
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
operating_pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.500 INCHES ALL ENDS IN
maximum_operating_temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
valve_operation_methodMANUAL
thread_series_designatorNPT ALL ENDS
nondefinitive_spec/std_dataA CLASS AND A STYLE AND II TYPE
specification/standard_data81348-WW-V-35 GOVERNMENT SPECIFICATION
NSN4820-01-172-8229
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 1-2-SP-B-12-S-2 · 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
VALVE OPERATION METHOD: MANUAL
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
THREAD SERIES DESIGNATOR: NPT ALL ENDS
SPECIFICATION/STANDARD DATA: 81348-WW-V-35 GOVERNMENT SPECIFICATION
OPERATING PRESSURE: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NONDEFINITIVE SPEC/STD DATA: A CLASS AND A STYLE AND II TYPE
STYLE DESIGNATOR: STRAIGHT THRU
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
VALVE OPERATION METHODMANUAL
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
SPECIFICATION/STANDARD DATA81348-WW-V-35 GOVERNMENT SPECIFICATION
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NONDEFINITIVE SPEC/STD DATAA CLASS AND A STYLE AND II TYPE
STYLE DESIGNATORSTRAIGHT THRU
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
MATERIALBRONZE BODY
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE PACKING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
WW-V-35Interchangeable
interchangeable cross-reference
interchangeable
70-101-01Interchangeable
interchangeable cross-reference
interchangeable
MSS SP-110Interchangeable
interchangeable cross-reference
interchangeable
B6000 3/8INInterchangeable
interchangeable cross-reference
interchangeable
D11TT3-8Interchangeable
interchangeable cross-reference
interchangeable
MSS-SP110 3/8 FIG1AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-2-SP-B-12-S-2?
1-2-SP-B-12-S-2 is a VALVE,BALL.
What parts can replace 1-2-SP-B-12-S-2?
There are 23 known substitutes for 1-2-SP-B-12-S-2: WW-V-35, 70-101-01, MSS SP-110 and 20 more. Substitute compatibility should be verified for your specific system.
Is 1-2-SP-B-12-S-2 still available?
1-2-SP-B-12-S-2 is currently cancelled.
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