PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1023-LDisk,valve

Tescom Corp Dba Tescom Div Tescom · NSN 4820-00-116-2833 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-116-2833 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-116-2833. Primary manufacturer part number: 1023-L.
Features
  • Disk,valve — FSC 4820
  • Tip Diameter: 0.055 INCHES NOMINAL IN
  • Shank Diameter: 0.080 INCHES NOMINAL IN
  • Flange Seat to Disk End Height: 0.295 INCHES NOMINAL IN
  • Style Designator: POPPET
  • Material: NICKEL ALLOY
  • Under Flange Height: 0.339 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-116-2833, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 6 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: Active.

Technical Specifications
ParameterValue
NSN4820-00-116-2833
Primary Part Number1023-L
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTescom Corp Dba Tescom Div Tescom
StatusACTIVE
Tip Diameter0.055 INCHES NOMINAL IN
Shank Diameter0.080 INCHES NOMINAL IN
Flange Seat to Disk End Height0.295 INCHES NOMINAL IN
Style DesignatorPOPPET
MaterialNICKEL ALLOY
Under Flange Height0.339 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-047-3896 INTERCHANGEABLE
Setscrew
3110-00-076-238866187-66462 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
3120-00-432-784110234-1 INTERCHANGEABLE
Bushing,sleeve
The Dewey Electronics Corporation
5305-00-728-6308MS51966-48 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4030-00-880-258010234 INTERCHANGEABLE
Swivel Assembly,jaw
Astrocom Electronics Inc
5999-00-900-067810234 INTERCHANGEABLE
Contact,electrical
Symetrics Industries, Llc Dba Extant Aerospace Div Symetrics Industries Dba Extant Aerospace
7045-01-006-0822 INTERCHANGEABLE
Tape Eraser,bulk
5310-01-016-9345B1575-5/16 INTERCHANGEABLE
Nut,plain,hexagon
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5985-01-043-498710179236 INTERCHANGEABLE
Waveguide Assembly
Us Army Aviation and Missile Command
3020-01-052-9735NA140 INTERCHANGEABLE
Gear,spur
Altra Industrial Motion Corp.
Cross-Reference Index
Part NumberManufacturer
1023-4 Tescom Corp Dba Tescom Div Tescom (USA)
1023-L PRIMARY Tescom Corp Dba Tescom Div Tescom (USA)
Related Parts
5305-00-047-3896INTERCHANGEABLE
SETSCREW
3110-00-076-2388INTERCHANGEABLE
BEARING,ROLLER,TAPERED
66187-66462
3120-00-432-7841INTERCHANGEABLE
BUSHING,SLEEVE
10234-1
5305-00-728-6308INTERCHANGEABLE
SETSCREW
MS51966-48
4030-00-880-2580INTERCHANGEABLE
SWIVEL ASSEMBLY,JAW
10234
5999-00-900-0678INTERCHANGEABLE
CONTACT,ELECTRICAL
10234
7045-01-006-0822INTERCHANGEABLE
TAPE ERASER,BULK
5310-01-016-9345INTERCHANGEABLE
NUT,PLAIN,HEXAGON
B1575-5/16
5985-01-043-4987INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
10179236
3020-01-052-9735INTERCHANGEABLE
GEAR,SPUR
NA140
5910-01-230-6265INTERCHANGEABLE
CAPACITOR
102-34
5962-01-248-2335INTERCHANGEABLE
MICROCIRCUIT,DIGITAL

Frequently Asked Questions

What is NSN 4820-00-116-2833?

NSN 4820-00-116-2833 is a Disk,valve, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-116-2833?

NSN 4820-00-116-2833 has 2 cross-referenced part numbers: 1023-4 (Tescom Corp Dba Tescom Div Tescom), 1023-L (Tescom Corp Dba Tescom Div Tescom).

What NSN replaces 4820-00-116-2833?

There are 12 known substitutes for 4820-00-116-2833: 5305-00-047-3896, 3110-00-076-2388, 3120-00-432-7841 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1023-L?

Key specifications for 1023-L: Tip Diameter: 0.055 INCHES NOMINAL IN; Shank Diameter: 0.080 INCHES NOMINAL IN; Flange Seat to Disk End Height: 0.295 INCHES NOMINAL IN; Style Designator: POPPET. 7 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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