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B43S4 — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

B43S4: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: PLASTIC BODY LINING, connection_type: THREADED EXTERNAL TUBE FIRST END, style_designator: STRAIGHT THRU FLANGED ENDS, face_to_face_distance: 1.219 INCHES IN, valve_operation_method: MANUAL, furnished_items_and_quantity: 2 NUT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-146-9317, 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
B43S4
NSN: 4820-01-146-9317
FSC: 4820 — Valves, Nonpowered
CAGE: 3T9T9 — SWAGELOK CO (USA)
SPECIFICATIONS
materialPLASTIC BODY LINING
connection_typeTHREADED EXTERNAL TUBE FIRST END
special_featuresMATERIAL: COPPER ALLOY BODY PLASTIC VINYL BODY LINING COPPER ALLOY FLOW CONTROL DEVICE PLASTIC VINYL SEAT COPPER ALLOY STEM
style_designatorSTRAIGHT THRU FLANGED ENDS
face_to_face_distance1.219 INCHES IN
valve_operation_methodMANUAL
furnished_items_and_quantity2 NUT
NSN4820-01-146-9317
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: B43S4 · 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
•
FURNISHED ITEMS AND QUANTITY: 2 NUT
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
FACE TO FACE DISTANCE: 1.219 INCHES IN
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY2 NUT
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
SPECIAL FEATURESMATERIAL: COPPER ALLOY BODY PLASTIC VINYL BODY LINING COPPER ALLOY FLOW CONTROL DEVICE PLASTIC VINYL SEAT COPPER ALLOY STEM
FACE TO FACE DISTANCE1.219 INCHES IN
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
MATERIALPLASTIC SEAT
MATERIALCOPPER ALLOY STEM
MATERIALPLASTIC BODY LINING
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B43S4?
B43S4 is a VALVE,BALL.
What is the NSN for B43S4?
B43S4 is cataloged in the U.S. Government catalog under NSN 4820-01-146-9317. 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.