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PartsTable / COMPONENT / B1947MV
B1947MV ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, overall_height: 0.266 INCHES NOMINAL IN, style_designator: PLAIN, seat_angle_in_deg: 45.000 NOMINAL, body_inside_diameter: 2.588 INCHES NOMINAL IN, body_outside_diameter: 3.265 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-084-3584, 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
B1947MV
NSN: 4820-01-084-3584
FSC: 4820
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
overall_height0.266 INCHES NOMINAL IN
style_designatorPLAIN
seat_angle_in_deg45.000 NOMINAL
body_inside_diameter2.588 INCHES NOMINAL IN
body_outside_diameter3.265 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN4820-01-084-3584
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B1947MV · 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
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
•
SEATING SURFACE SHAPE: ANGULAR
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 2.588 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 3.265 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE IN DEG45.000 NOMINAL
SEATING SURFACE SHAPEANGULAR
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
STYLE DESIGNATORPLAIN
OVERALL HEIGHT0.266 INCHES NOMINAL IN
BODY INSIDE DIAMETER2.588 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER3.265 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
B1948MVInterchangeable
interchangeable cross-reference
interchangeable
M-1861A SHEET 4 PIECE 10Interchangeable
interchangeable cross-reference
interchangeable
M-1861AInterchangeable
interchangeable cross-reference
interchangeable
S-1941Interchangeable
interchangeable cross-reference
interchangeable
M-1861A SHEET 5 PIECE 7Interchangeable
interchangeable cross-reference
interchangeable
S-1944Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B1947MV?
B1947MV is a SEAT,VALVE.
What parts can replace B1947MV?
There are 10 known substitutes for B1947MV: B1948MV, M-1861A SHEET 4 PIECE 10, M-1861A and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B1947MV?
B1947MV is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-084-3584. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026