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BK466851 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

BK466851: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. This part is cataloged in the U.S. Government catalog under NSN 4820-01-251-0663, 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
BK466851
NSN: 4820-01-251-0663
FSC: 4820 — Valves, Nonpowered
CAGE: U1918 — MISSION SYSTEMS WIMBORNE LIMITED DIV COBHAM MISSION SYSTEMS WIMBORNE LTD (GBR)
SPECIFICATIONS
Part NumberBK466851
NSN4820-01-251-0663
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: BK466851 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESGREY CAST IRON ASTM A48 C1 40 BODY;STEEL AISI 1213-12L14 CONTROL LEVER;MOLDED PHENOLIC PLASTIC CONTROL KNOB;MAXIMUM OPERATING PRESSURE 5000.0 PSI;TEMPERATURE RANGE MINUS 58 DEG TO PLUS 125 DEG FAHRENHEIT;O/A LENGTH 4.688 IN.;OD 2.010 IN.;O/A THICKNESS 1.870 IN. IN
SUBSTITUTES & CROSS-REFERENCES 1
5029209-031Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BK466851?
BK466851 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace BK466851?
There is 1 known substitute for BK466851: 5029209-031. Substitute compatibility should be verified for your specific system.
What is the NSN for BK466851?
BK466851 is cataloged in the U.S. Government catalog under NSN 4820-01-251-0663. 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.