PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99-920Disk,valve

Cecilware Corporation · NSN 4820-01-139-9912 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-139-9912 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-139-9912. Primary manufacturer part number: 99-920.
Features
  • Disk,valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Cecilware Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-139-9912, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Cecilware Corporation. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 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)
ManufacturersCecilware Corporation (CAGE 01137)
Technical Specifications
ParameterValue
NSN4820-01-139-9912
Primary Part Number99-920
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCecilware Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5985-00-357-45560999200003 INTERCHANGEABLE
Antenna Kit
Riimic, Llc Dba Sunair Electronics
2805-00-732-646699920 INTERCHANGEABLE
Piston,internal Combustion Engin
Briggs and Stratton Corp
5999-00-958-7769 INTERCHANGEABLE
Delay Line
6810-01-381-7201 INTERCHANGEABLE
Chemical Micron Fil
5305-01-396-728599920 INTERCHANGEABLE
Screw,cap,hexagon Head
Deutz Corporation
Cross-Reference Index
Part NumberManufacturer
99-920 Cecilware Corporation (USA)
Related Parts
5985-00-357-4556INTERCHANGEABLE
ANTENNA KIT
0999200003
2805-00-732-6466INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
99920
5999-00-958-7769INTERCHANGEABLE
DELAY LINE
6810-01-381-7201INTERCHANGEABLE
CHEMICAL MICRON FIL
5305-01-396-7285INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
99920

Frequently Asked Questions

What is NSN 4820-01-139-9912?

NSN 4820-01-139-9912 is a Disk,valve, manufactured by Cecilware Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-139-9912?

NSN 4820-01-139-9912 has 1 cross-referenced part number: 99-920 (Cecilware Corporation).

What NSN replaces 4820-01-139-9912?

There are 5 known substitutes for 4820-01-139-9912: 5985-00-357-4556, 2805-00-732-6466, 5999-00-958-7769 and 2 more. Verify interchangeability with system specifications before substitution.

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