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B10-1055B-02TSG — VALVE,GATE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B10-1055B-02TSG: VALVE,GATE.

The VALVE,GATE is a the manufacturer industrial component. Key specifications include material: STEEL STEM, stem_type: RISING, valve_size: 3.000 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, pressure_class: ERR-060, connection_type: BUTT WELD PIPE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-346-4439, 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
B10-1055B-02TSG
NSN: 4820-01-346-4439
FSC: 4820 — Valves, Nonpowered
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
materialSTEEL STEM
stem_typeRISING
valve_size3.000 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
pressure_classERR-060
connection_typeBUTT WELD PIPE
valve_operation_methodMANUAL
bonnet_attachment_methodBOLTED
inlet_relationship_with_outletIDENTICAL
nominal_pipe_size_accommodated3.000 INCHES IN
NSN4820-01-346-4439
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B10-1055B-02TSG · 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
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
NOMINAL PIPE SIZE ACCOMMODATED: 3.000 INCHES IN
•
STEM TYPE: RISING
•
CONNECTION TYPE: BUTT WELD PIPE
•
VALVE SIZE: 3.000 INCHES IN
•
BONNET TYPE: OUTSIDE SCREW-YOKE
•
BONNET ATTACHMENT METHOD: BOLTED
•
PRESSURE CLASS: ERR-060
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
NOMINAL PIPE SIZE ACCOMMODATED3.000 INCHES IN
STEM TYPERISING
CONNECTION TYPEBUTT WELD PIPE
VALVE SIZE3.000 INCHES IN
BONNET TYPEOUTSIDE SCREW-YOKE
BONNET ATTACHMENT METHODBOLTED
PRESSURE CLASSERR-060
MATERIALSTEEL BODY
MATERIALSTEEL DISK
SUBSTITUTES & CROSS-REFERENCES 3
B10-1054B-02TSReference document
Same NSN cross-reference
Reference document — Design control — primary reference
B10-1054B-02TSGSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
B10-1055B-02YSGReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B10-1055B-02TSG?
B10-1055B-02TSG is a VALVE,GATE.
What parts can replace B10-1055B-02TSG?
There are 3 known substitutes for B10-1055B-02TSG: B10-1054B-02TS, B10-1054B-02TSG, B10-1055B-02YSG. Substitute compatibility should be verified for your specific system.
What is the NSN for B10-1055B-02TSG?
B10-1055B-02TSG is cataloged in the U.S. Government catalog under NSN 4820-01-346-4439. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.