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B4943BN — DISK,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B4943BN: DISK,VALVE.

The DISK,VALVE is a the manufacturer industrial component. Key specifications include material: PLASTIC AND STEEL CORROSION RESISTING, seat_angle: 30.0 DEGREES NOMINAL, tip_diameter: 0.138 INCHES NOMINAL IN, overall_height: 2.005 INCHES NOMINAL IN, shank_diameter: 0.375 INCHES NOMINAL IN, special_features: BLEED HOLE THRU DISK BODY AND STEM;SEAT,NYLON: W/SPRING. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-910-1587, 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
B4943BN
NSN: 4820-00-910-1587
FSC: 4820 — Valves, Nonpowered
CAGE: 45543 — SNAP-TITE INC DBA SNAP TITE SOLENOID VALVE DIV (USA)
SPECIFICATIONS
materialPLASTIC AND STEEL CORROSION RESISTING
seat_angle30.0 DEGREES NOMINAL
tip_diameter0.138 INCHES NOMINAL IN
overall_height2.005 INCHES NOMINAL IN
shank_diameter0.375 INCHES NOMINAL IN
special_featuresBLEED HOLE THRU DISK BODY AND STEM;SEAT,NYLON: W/SPRING
style_designatorPOPPET
under_flange_height0.875 INCHES NOMINAL IN
flange_seat_to_disk_end_height0.937 INCHES NOMINAL IN
NSN4820-00-910-1587
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B4943BN · 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: 0.375 INCHES NOMINAL IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.937 INCHES NOMINAL IN
•
STYLE DESIGNATOR: POPPET
•
TIP DIAMETER: 0.138 INCHES NOMINAL IN
•
SEAT ANGLE: 30.0 DEGREES NOMINAL
•
UNDER FLANGE HEIGHT: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.375 INCHES NOMINAL IN
FLANGE SEAT TO DISK END HEIGHT0.937 INCHES NOMINAL IN
OVERALL HEIGHT2.005 INCHES NOMINAL IN
STYLE DESIGNATORPOPPET
TIP DIAMETER0.138 INCHES NOMINAL IN
SEAT ANGLE30.0 DEGREES NOMINAL
SPECIAL FEATURESBLEED HOLE THRU DISK BODY AND STEM;SEAT,NYLON: W/SPRING
UNDER FLANGE HEIGHT0.875 INCHES NOMINAL IN
MATERIALPLASTIC AND STEEL CORROSION RESISTING
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 B4943BN?
B4943BN is a DISK,VALVE.
What is the NSN for B4943BN?
B4943BN is cataloged in the U.S. Government catalog under NSN 4820-00-910-1587. 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.