PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-1071Valve,gate

Clow Corp Marine Valve Products Div · NSN 4820-00-287-4183 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-287-4183 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-287-4183. Primary manufacturer part number: 2-1071.
Features
  • Valve,gate — FSC 4820
  • Bolt Hole Quantity: 4
  • Flange Diameter: 7.000 INCHES IN
  • Bonnet Type: INSIDE SCREW
  • Valve Operation Method: MANUAL
  • Connection Type: FLANGE, ROUND W/HOLES
  • Inlet Relationship with Outlet: IDENTICAL
  • Stem Type: NONRISING
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 4820-00-287-4183, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Clow Corp Marine Valve Products Div. Government technical data includes 10 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-287-4183
Primary Part Number2-1071
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerClow Corp Marine Valve Products Div
StatusACTIVE
Bolt Hole Quantity4
Flange Diameter7.000 INCHES IN
Bonnet TypeINSIDE SCREW
Valve Operation MethodMANUAL
Connection TypeFLANGE, ROUND W/HOLES
Inlet Relationship with OutletIDENTICAL
Stem TypeNONRISING
Bonnet Attachment MethodBOLTED
Flange Face DesignPLAIN
MaterialCOPPER ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-100-3586 INTERCHANGEABLE
Cone and Rollers,tapered Roller
1660-00-540-525121071 INTERCHANGEABLE
Converter,liquid Oxygen
Mission Systems Orchard Park Inc
5962-01-096-4121MP270, MOD 7 INTERCHANGEABLE
Microcircuit,linear
Analogic Corp Data Conversion Products Div
5935-01-107-8816 INTERCHANGEABLE
Adapter,connector
4820-01-273-770521071 INTERCHANGEABLE
Diaphragm,valve,flat
Leslie Controls, Inc. Dba Leslie Controls Inc
4320-01-290-359721071 INTERCHANGEABLE
Adapter,shaft Subas
Parker Hannifin Corporation Div Hydraulic Systems Division
3120-01-322-2897 INTERCHANGEABLE
Bearing Set,sleeve
6150-01-582-4410 INTERCHANGEABLE
Bus,conductor
8305-01-621-8415WR24/3010/38 INTERCHANGEABLE
Cloth,woven Roving
Owens Corning
Cross-Reference Index
Part NumberManufacturer
2-1071 Clow Corp Marine Valve Products Div (USA)
Related Parts
3110-00-100-3586INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
1660-00-540-5251INTERCHANGEABLE
CONVERTER,LIQUID OXYGEN
21071
5962-01-096-4121INTERCHANGEABLE
MICROCIRCUIT,LINEAR
MP270, MOD 7
5935-01-107-8816INTERCHANGEABLE
ADAPTER,CONNECTOR
4820-01-273-7705INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
21071
4320-01-290-3597INTERCHANGEABLE
ADAPTER,SHAFT SUBAS
21071
3120-01-322-2897INTERCHANGEABLE
BEARING SET,SLEEVE
6150-01-582-4410INTERCHANGEABLE
BUS,CONDUCTOR
8305-01-621-8415INTERCHANGEABLE
CLOTH,WOVEN ROVING
WR24/3010/38

Frequently Asked Questions

What is NSN 4820-00-287-4183?

NSN 4820-00-287-4183 is a Valve,gate, manufactured by Clow Corp Marine Valve Products Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-287-4183?

NSN 4820-00-287-4183 has 1 cross-referenced part number: 2-1071 (Clow Corp Marine Valve Products Div).

What NSN replaces 4820-00-287-4183?

There are 9 known substitutes for 4820-00-287-4183: 3110-00-100-3586, 1660-00-540-5251, 5962-01-096-4121 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-1071?

Key specifications for 2-1071: Bolt Hole Quantity: 4; Flange Diameter: 7.000 INCHES IN; Bonnet Type: INSIDE SCREW; Valve Operation Method: MANUAL. 10 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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