PartsTable
Technical Data Sheet

6401-1/2IN — VALVE,CALIBRATED FLOW

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

6401-1/2IN: VALVE,CALIBRATED FLOW.

The VALVE,CALIBRATED FLOW is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, body_style: STRAIGHT THRU, regulation_type: MANUAL SINGLE STAGE, flow_control_device: NEEDLE, manual_control_method: KNOB, first_end_connection_type: THREADED INTERNAL PIPE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-240-6095, 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
6401-1/2IN
NSN: 4820-01-240-6095
NIINs: 012406095, 012969324
FSC: 4820 — Valves, Nonpowered
CAGE: 29709 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
body_styleSTRAIGHT THRU
regulation_typeMANUAL SINGLE STAGE
flow_control_deviceNEEDLE
manual_control_methodKNOB
end_connection_quantity2
first_end_connection_typeTHREADED INTERNAL PIPE
valve_discharge_flow_rate10.0 GALLONS PER MINUTE
first_end_style_designatorPLAIN
first_end_thread_directionRIGHT-HAND
maximum_inlet_pressure_ratingERR-060
second_end_relationship_with_first_endIDENTICAL
NSN4820-01-240-6095
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 6401-1/2IN · 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
•
MATERIAL: ALUMINUM BODY
TECHNICAL CHARACTERISTICS
MATERIALALUMINUM BODY
SUBSTITUTES & CROSS-REFERENCES 1
6401BR1-2INReference document
Same NSN cross-reference
Reference document — Secondary 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 6401-1/2IN?
6401-1/2IN is a VALVE,CALIBRATED FLOW.
What parts can replace 6401-1/2IN?
There is 1 known substitute for 6401-1/2IN: 6401BR1-2IN. Substitute compatibility should be verified for your specific system.
What is the NSN for 6401-1/2IN?
6401-1/2IN is cataloged in the U.S. Government catalog under NSN 4820-01-240-6095. 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.