PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

116951Disk,valve

Williams Controls Inc · NSN 4820-01-305-8090 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-305-8090 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-305-8090. Primary manufacturer part number: 116951.
Features
  • Disk,valve — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Williams Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-305-8090, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Williams Controls Inc. This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDisk,valve
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersWilliams Controls Inc (CAGE 11331)
Technical Specifications
ParameterValue
NSN4820-01-305-8090
Primary Part Number116951
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWilliams Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5325-00-042-6710120016 INTERCHANGEABLE
Eyelet,metallic
Chrysler Realty Company Llc Dba Daimler Chrysler
5930-00-730-043205001-09N INTERCHANGEABLE
Switch,rotary
Grayhill Inc
5910-00-829-02490170-0064 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
4730-01-057-3300 INTERCHANGEABLE
Strainer Element,sediment
4820-01-212-48613WB313 INTERCHANGEABLE
Head,valve
Oshkosh Defense Llc
4820-01-219-4341 INTERCHANGEABLE
Cartridge,barrier Plate Assembly
4820-01-305-7977116696 INTERCHANGEABLE
Piston,valve
Williams Controls Inc
2040-01-733-226011695-1 INTERCHANGEABLE
Hatch,marine
Cpi Radant Technologies Division Inc.
Cross-Reference Index
Part NumberManufacturer
116951 PRIMARY Williams Controls Inc (USA)
120019-17 Williams Controls Inc (USA)
120019 Williams Controls Inc (USA)
Related Parts
5325-00-042-6710INTERCHANGEABLE
EYELET,METALLIC
120016
5930-00-730-0432INTERCHANGEABLE
SWITCH,ROTARY
05001-09N
5910-00-829-0249INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
0170-0064
4730-01-057-3300INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
4820-01-212-4861INTERCHANGEABLE
HEAD,VALVE
3WB313
4820-01-219-4341INTERCHANGEABLE
CARTRIDGE,BARRIER PLATE ASSEMBLY
4820-01-305-7977INTERCHANGEABLE
PISTON,VALVE
116696
2040-01-733-2260INTERCHANGEABLE
HATCH,MARINE
11695-1

Frequently Asked Questions

What is NSN 4820-01-305-8090?

NSN 4820-01-305-8090 is a Disk,valve, manufactured by Williams Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-305-8090?

NSN 4820-01-305-8090 has 3 cross-referenced part numbers: 116951 (Williams Controls Inc), 120019-17 (Williams Controls Inc), 120019 (Williams Controls Inc).

What NSN replaces 4820-01-305-8090?

There are 8 known substitutes for 4820-01-305-8090: 5325-00-042-6710, 5930-00-730-0432, 5910-00-829-0249 and 5 more. Verify interchangeability with system specifications before substitution.

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