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PartsTable / COMPONENT / BS51709PC163
BS51709PC163 ✓ 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: COPPER OVERALL, flange_diameter: 2.812 INCHES NOMINAL IN, style_designator: PLAIN FLANGED, under_flange_height: 0.688 INCHES NOMINAL IN, body_inside_diameter: 0.500 INCHES NOMINAL IN, fsc_application_data: STEAM POWERED BILGE PUMP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-218-4186, 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
BS51709PC163
NSN: 4810-00-218-4186
FSC: 4810
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialCOPPER OVERALL
flange_diameter2.812 INCHES NOMINAL IN
style_designatorPLAIN FLANGED
under_flange_height0.688 INCHES NOMINAL IN
body_inside_diameter0.500 INCHES NOMINAL IN
fsc_application_dataSTEAM POWERED BILGE PUMP
body_outside_diameter2.609 INCHES NOMINAL IN
seating_surface_shapeFLAT
seal_accommodation_typeGROOVED
flange_seat_to_disk_end_height0.125 INCHES NOMINAL IN
NSN4810-00-218-4186
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: BS51709PC163 · 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
•
UNDER FLANGE HEIGHT: 0.688 INCHES NOMINAL IN
•
MATERIAL: COPPER OVERALL
•
SEATING SURFACE SHAPE: FLAT
•
FSC APPLICATION DATA: STEAM POWERED BILGE PUMP
•
BODY INSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
FLANGE DIAMETER: 2.812 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 2.609 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
UNDER FLANGE HEIGHT0.688 INCHES NOMINAL IN
MATERIALCOPPER OVERALL
SEATING SURFACE SHAPEFLAT
FSC APPLICATION DATASTEAM POWERED BILGE PUMP
BODY INSIDE DIAMETER0.500 INCHES NOMINAL IN
STYLE DESIGNATORPLAIN FLANGED
FLANGE DIAMETER2.812 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.609 INCHES NOMINAL IN
SEAL ACCOMMODATION TYPEGROOVED
FLANGE SEAT TO DISK END HEIGHT0.125 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
126HInterchangeable
interchangeable cross-reference
interchangeable
KC17Interchangeable
interchangeable cross-reference
interchangeable
SR4-136Interchangeable
interchangeable cross-reference
interchangeable
927Interchangeable
interchangeable cross-reference
interchangeable
TC-3Interchangeable
interchangeable cross-reference
interchangeable
C-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BS51709PC163?
BS51709PC163 is a SEAT,VALVE.
What parts can replace BS51709PC163?
There are 13 known substitutes for BS51709PC163: 126H, KC17, SR4-136 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BS51709PC163?
BS51709PC163 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-218-4186. 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