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Technical Data Sheet
PartsTable / COMPONENT / B12-20P02TS/78532-9/882057827
B12-20P02TS/78532-9/882057827 ✓ 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 B12-20P02TS/78532-9/882057827 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-494-0851, 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
B12-20P02TS/78532-9/882057827
NSN: 4820-00-494-0851
FSC: 4820
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
Part NumberB12-20P02TS/78532-9/882057827
NSN4820-00-494-0851
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B12-20P02TS/78532-9/882057827 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 4.000 INCHES ALL ENDS4.000 INCHES ALL ENDS IN
•
BONNET TYPE: OUTSIDE SCREW-YOKEOUTSIDE SCREW-YOKE
•
MATERIAL: STEEL CORROSION RESISTING STEM
•
SPECIAL TEST FEATURES: RADIOGRAPHY INSPECTION PER MIL-STD-271
•
VALVE OPERATION METHOD: MANUALMANUAL
•
MEDIA FOR WHICH DESIGNED: STEAM SINGLE RESPONSE
•
CONNECTION STYLE: BEVELED (PIPE) ALL ENDSBEVELED (PIPE) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL PIPE SIZE ACCOMMODATED4.000 INCHES ALL ENDS4.000 INCHES ALL ENDS IN
BONNET TYPEOUTSIDE SCREW-YOKEOUTSIDE SCREW-YOKE
MATERIALSTEEL CORROSION RESISTING STEM
SPECIAL TEST FEATURESRADIOGRAPHY INSPECTION PER MIL-STD-271
VALVE OPERATION METHODMANUALMANUAL
MATERIALSTEEL CORROSION RESISTING STEMSTEEL FLOW CONTROL DEVICE
MEDIA FOR WHICH DESIGNEDSTEAM SINGLE RESPONSE
CONNECTION STYLEBEVELED (PIPE) ALL ENDSBEVELED (PIPE) ALL ENDS
CONNECTION TYPEBUTT WELD PIPE ALL ENDSBUTT WELD PIPE ALL ENDS
MATERIALSTEEL SEATSTEEL UNS J03002 BODY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MIL-DTL-22052Interchangeable
interchangeable cross-reference
interchangeable
MIL-V-22052DInterchangeable
interchangeable cross-reference
interchangeable
8347-2 1/2 IN.Interchangeable
interchangeable cross-reference
interchangeable
MILV22052Interchangeable
interchangeable cross-reference
interchangeable
MILV22052C0MPDCInterchangeable
interchangeable cross-reference
interchangeable
3508-X4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B12-20P02TS/78532-9/882057827?
B12-20P02TS/78532-9/882057827 is a B12-20P02TS/78532-9/882057827.
What parts can replace B12-20P02TS/78532-9/882057827?
There are 17 known substitutes for B12-20P02TS/78532-9/882057827: MIL-DTL-22052, MIL-V-22052D, 8347-2 1/2 IN. and 14 more. Substitute compatibility should be verified for your specific system.
Is B12-20P02TS/78532-9/882057827 still available?
B12-20P02TS/78532-9/882057827 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