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B13656-1 — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B13656-1: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, seat_angle: 45.0 DEGREES NOMINAL, overall_height: 1.625 INCHES NOMINAL IN, shank_diameter: 0.778 INCHES NOMINAL IN, flange_diameter: 0.558 INCHES NOMINAL IN, special_features: INSIDE DIA 0.680 IN.; INSIDE DEPTH 0.850 IN. IN.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-048-7647, 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
B13656-1
NSN: 4820-01-048-7647
FSC: 4820 — Valves, Nonpowered
CAGE: 04577 — MISSION SYSTEMS ORCHARD PARK INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
seat_angle45.0 DEGREES NOMINAL
overall_height1.625 INCHES NOMINAL IN
shank_diameter0.778 INCHES NOMINAL IN
flange_diameter0.558 INCHES NOMINAL IN
special_featuresINSIDE DIA 0.680 IN.; INSIDE DEPTH 0.850 IN. IN
style_designatorPOPPET
NSN4820-01-048-7647
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B13656-1 · 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
•
SHANK DIAMETER: 0.778 INCHES NOMINAL IN
•
FLANGE DIAMETER: 0.558 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
SEAT ANGLE: 45.0 DEGREES NOMINAL
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.778 INCHES NOMINAL IN
FLANGE DIAMETER0.558 INCHES NOMINAL IN
OVERALL HEIGHT1.625 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
SEAT ANGLE45.0 DEGREES NOMINAL
SPECIAL FEATURESINSIDE DIA 0.680 IN.; INSIDE DEPTH 0.850 IN. IN
MATERIALSTEEL CORROSION RESISTING
SUBSTITUTES & CROSS-REFERENCES 3
2432-0012Reference document
Same NSN cross-reference
Reference document — Secondary reference
2432-0012-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
2432-0012-PC1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is B13656-1?
B13656-1 is a DISK,VALVE.
What parts can replace B13656-1?
There are 3 known substitutes for B13656-1: 2432-0012, 2432-0012-1, 2432-0012-PC1. Substitute compatibility should be verified for your specific system.
What is the NSN for B13656-1?
B13656-1 is cataloged in the U.S. Government catalog under NSN 4820-01-048-7647. 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.