PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40A1INCHValve,gate

Jenkins Bros · NSN 4820-00-838-2274 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-838-2274 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-838-2274. Primary manufacturer part number: 40A1INCH.
Features
  • Valve,gate — FSC 4820
  • Connection Type: THREADED INTERNAL PIPE
  • Stem Type: RISING
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY VALVE SIZE
  • Thread Series Designator: NPT
  • Operating Pressure and Type: 225.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Material: IRON CAST SEAT
  • Nominal Thread Size: 1.000 INCHES IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Cast Seat construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-838-2274, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Jenkins Bros. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-838-2274
Primary Part Number40A1INCH
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerJenkins Bros
StatusCANCELLED
Connection TypeTHREADED INTERNAL PIPE
Stem TypeRISING
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY VALVE SIZE
Thread Series DesignatorNPT
Operating Pressure and Type225.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
MaterialIRON CAST SEAT
Nominal Thread Size1.000 INCHES IN
MaterialIRON MALLEABLE DISK
MaterialIRON CAST BODY
MaterialSTEEL CORROSION RESISTING STEM
Bonnet Attachment MethodTHREADED
Bonnet TypeINSIDE SCREW
Features ProvidedBONNET PACKING
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-108-3813G1108KLLB+COLFS381A INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3020-00-110-397240A-3210W INTERCHANGEABLE
Sprocket Wheel
Eriez Magnetics
5945-00-225-545340A INTERCHANGEABLE
Chopper,electronic
Sensata Technologies Maryland, Inc
4820-00-287-31933-9-3V INTERCHANGEABLE
Valve,gate
Gas Equipment Engineering Corporation, the Dba Geeco
5330-00-349-814640A INTERCHANGEABLE
Gasket
Wakmann Watch Company Inc
4820-00-428-30944027V4D INTERCHANGEABLE
Valve,gate
United Catalysts Inc
5120-00-449-8141 INTERCHANGEABLE
Wrench,open End
6240-00-797-900040A115V INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
4820-00-818-1272488-3-8 INTERCHANGEABLE
Valve,gate
United Catalysts Inc
4820-00-835-0580 INTERCHANGEABLE
Valve,gate
Cross-Reference Index
Part NumberManufacturer
40A1INCH Jenkins Bros (USA)
40A Jenkins Bros (USA)
Related Parts
3110-00-108-3813INTERCHANGEABLE
BEARING,BALL,ANNULAR
G1108KLLB+COLFS381A
3020-00-110-3972INTERCHANGEABLE
SPROCKET WHEEL
40A-3210W
5945-00-225-5453INTERCHANGEABLE
CHOPPER,ELECTRONIC
40A
4820-00-287-3193INTERCHANGEABLE
VALVE,GATE
3-9-3V
5330-00-349-8146INTERCHANGEABLE
GASKET
40A
4820-00-428-3094INTERCHANGEABLE
VALVE,GATE
4027V4D
5120-00-449-8141INTERCHANGEABLE
WRENCH,OPEN END
6240-00-797-9000INTERCHANGEABLE
LAMP,INCANDESCENT
40A115V
4820-00-818-1272INTERCHANGEABLE
VALVE,GATE
488-3-8
4820-00-835-0580INTERCHANGEABLE
VALVE,GATE
8125-00-933-4414INTERCHANGEABLE
BOTTLE,SCREW CAP
986590
6240-01-097-8344INTERCHANGEABLE
LAMP,INCANDESCENT
40A(120V)

Frequently Asked Questions

What is NSN 4820-00-838-2274?

NSN 4820-00-838-2274 is a Valve,gate, manufactured by Jenkins Bros, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-838-2274?

NSN 4820-00-838-2274 has 2 cross-referenced part numbers: 40A1INCH (Jenkins Bros), 40A (Jenkins Bros).

What NSN replaces 4820-00-838-2274?

There are 12 known substitutes for 4820-00-838-2274: 3110-00-108-3813, 3020-00-110-3972, 5945-00-225-5453 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40A1INCH?

Key specifications for 40A1INCH: Connection Type: THREADED INTERNAL PIPE; Stem Type: RISING; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY VALVE SIZE; Thread Series Designator: NPT. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-838-2274 still in active supply?

NSN 4820-00-838-2274 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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