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31003950 — VALVE,FLOW CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

31003950: VALVE,FLOW CONTROL.

The VALVE,FLOW CONTROL is a the manufacturer industrial component. Key specifications include body_material: COPPER ALLOY, pressure_class: ERR-060, connection_type: THREADED INTERNAL PIPE, flow_control_device: BALL, nominal_thread_size: 1.000 INCHES IN, thread_series_designator: NPT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-188-3704, 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
31003950
NSN: 4820-01-188-3704
FSC: 4820 — Valves, Nonpowered
CAGE: 57194 — COMPLETE ABRASIVE BLASTING SYSTEMS INC (USA)
SPECIFICATIONS
body_materialCOPPER ALLOY
pressure_classERR-060
connection_typeTHREADED INTERNAL PIPE
flow_control_deviceBALL
nominal_thread_size1.000 INCHES IN
thread_series_designatorNPT
operating_pressure_and_type125.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
NSN4820-01-188-3704
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 31003950 · 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
•
FLOW CONTROL DEVICE: BALL
•
OPERATING PRESSURE AND TYPE: 125.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
•
CONNECTION TYPE: THREADED INTERNAL PIPE
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
BODY MATERIAL: COPPER ALLOY
•
PRESSURE CLASS: ERR-060
•
THREAD SERIES DESIGNATOR: NPT
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEBALL
OPERATING PRESSURE AND TYPE125.0 POUNDS PER SQUARE INCH (PSI) AIR MAXIMUM REQUIRED LBS
CONNECTION TYPETHREADED INTERNAL PIPE
NOMINAL THREAD SIZE1.000 INCHES IN
BODY MATERIALCOPPER ALLOY
PRESSURE CLASSERR-060
THREAD SERIES DESIGNATORNPT
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 31003950?
31003950 is a VALVE,FLOW CONTROL.
What is the NSN for 31003950?
31003950 is cataloged in the U.S. Government catalog under NSN 4820-01-188-3704. 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.