PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1966Valve,gate

William Powell Company, the Dba Powell Valve Div the Starflo Corporation · NSN 4820-00-964-3185 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-964-3185 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-964-3185. Primary manufacturer part number: 1966.
Features
  • Valve,gate — FSC 4820
  • Bonnet Type: INSIDE SCREW
  • Bonnet Attachment Method: UNION
  • Material: COPPER ALLOY BODY
  • Operating Pressure and Type: 300.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 600.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Stem Type: RISING
  • Thread Series Designator: NPT
  • Material: COPPER ALLOY DISK
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-964-3185, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is William Powell Company, the Dba Powell Valve Div the Starflo Corporation. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-964-3185
Primary Part Number1966
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliam Powell Company, the Dba Powell Valve Div the Starflo Corporation
StatusACTIVE
Bonnet TypeINSIDE SCREW
Bonnet Attachment MethodUNION
MaterialCOPPER ALLOY BODY
Operating Pressure and Type300.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 600.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Stem TypeRISING
Thread Series DesignatorNPT
MaterialCOPPER ALLOY DISK
Material Document and ClassificationQQ-C-390,ALLOY D4 FED SPEC SINGLE MATERIAL RESPONSE BODY
Connection TypeTHREADED INTERNAL PIPE
Valve Operation MethodMANUAL
Nominal Thread Size1.000 INCHES IN
MaterialCOPPER ALLOY STEM
MaterialCOPPER ALLOY SEAT
Features ProvidedBONNET PACKING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5940-00-006-5830196-6 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
2520-00-126-435710375258 INTERCHANGEABLE
Arm Assy,pedal Adjuster
Fwd Seagrave Holdings Lp
4730-00-172-0040AS15004-1 INTERCHANGEABLE
Fitting,lubrication
Sae International Dba Sae International
5120-00-222-22205120-00-222-2220 INTERCHANGEABLE
Mallet,rawhide
General Services Administration Federal Supply Service
5945-00-231-2927 INTERCHANGEABLE
Relay,electromagnetic
5950-00-410-38711966 INTERCHANGEABLE
Coil,radio Frequency
Drs Signal Solutions, Inc.
2805-00-491-32912465335 INTERCHANGEABLE
Valve,poppet,engine
Chrysler Corp Service and Parts Opns
5930-00-755-56662162893 INTERCHANGEABLE
Switch,rotary
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5306-01-300-12911966 INTERCHANGEABLE
Bolt,hook
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
1430-01-317-45703516730-25 INTERCHANGEABLE
Filter Assembly,special
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
1966 William Powell Company, the Dba Powell Valve Div the Starflo Corporation (USA)
Related Parts
5940-00-006-5830INTERCHANGEABLE
TERMINAL,LUG
196-6
2520-00-126-4357INTERCHANGEABLE
ARM ASSY,PEDAL ADJUSTER
10375258
4730-00-172-0040INTERCHANGEABLE
FITTING,LUBRICATION
AS15004-1
5120-00-222-2220INTERCHANGEABLE
MALLET,RAWHIDE
5120-00-222-2220
5945-00-231-2927INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5950-00-410-3871INTERCHANGEABLE
COIL,RADIO FREQUENCY
1966
2805-00-491-3291INTERCHANGEABLE
VALVE,POPPET,ENGINE
2465335
5930-00-755-5666INTERCHANGEABLE
SWITCH,ROTARY
2162893
5306-01-300-1291INTERCHANGEABLE
BOLT,HOOK
1966
1430-01-317-4570INTERCHANGEABLE
FILTER ASSEMBLY,SPECIAL
3516730-25
4140-01-571-1584INTERCHANGEABLE
NOZZLE,BLOWER
1966

Frequently Asked Questions

What is NSN 4820-00-964-3185?

NSN 4820-00-964-3185 is a Valve,gate, manufactured by William Powell Company, the Dba Powell Valve Div the Starflo Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-964-3185?

NSN 4820-00-964-3185 has 1 cross-referenced part number: 1966 (William Powell Company, the Dba Powell Valve Div the Starflo Corporation).

What NSN replaces 4820-00-964-3185?

There are 11 known substitutes for 4820-00-964-3185: 5940-00-006-5830, 2520-00-126-4357, 4730-00-172-0040 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1966?

Key specifications for 1966: Bonnet Type: INSIDE SCREW; Bonnet Attachment Method: UNION; Material: COPPER ALLOY BODY; Operating Pressure and Type: 300.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 600.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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