PartsTable
Technical Data Sheet

FBV3/1IN — VALVE,BALL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

FBV3/1IN: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: STEEL FLOW CONTROL DEVICE, valve_size: 1.000 INCHES IN, style_designator: STRAIGHT THRU FLANGED ENDS, surface_treatment: ZINC, face_to_face_distance: 3.125 INCHES IN, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-574-4396, 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
FBV3/1IN
NSN: 4820-01-574-4396
FSC: 4820 — Valves, Nonpowered
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
materialSTEEL FLOW CONTROL DEVICE
valve_size1.000 INCHES IN
style_designatorSTRAIGHT THRU FLANGED ENDS
surface_treatmentZINC
face_to_face_distance3.125 INCHES IN
valve_operation_methodMANUAL
end_item_identification4520-01-566-6669; HEATER, WATER 400,000
media_for_which_designedWATER, FRESH SINGLE RESPONSE
NSN4820-01-574-4396
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: FBV3/1IN · 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
•
STYLE DESIGNATOR: STRAIGHT THRU FLANGED ENDS
•
VALVE SIZE: 1.000 INCHES IN
•
SURFACE TREATMENT: ZINC
•
FACE TO FACE DISTANCE: 3.125 INCHES IN
•
MEDIA FOR WHICH DESIGNED: WATER, FRESH SINGLE RESPONSE
•
MATERIAL: COPPER ALLOY BODY
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT THRU FLANGED ENDS
VALVE SIZE1.000 INCHES IN
SURFACE TREATMENTZINC
FACE TO FACE DISTANCE3.125 INCHES IN
MEDIA FOR WHICH DESIGNEDWATER, FRESH SINGLE RESPONSE
END ITEM IDENTIFICATION4520-01-566-6669; HEATER, WATER 400,000
MATERIALCOPPER ALLOY BODY
MATERIALSTEEL FLOW CONTROL DEVICE
VALVE OPERATION METHODMANUAL
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 FBV3/1IN?
FBV3/1IN is a VALVE,BALL.
What is the NSN for FBV3/1IN?
FBV3/1IN is cataloged in the U.S. Government catalog under NSN 4820-01-574-4396. 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.