PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-0783Valve,safety Relief

Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products · NSN 4820-01-349-3814 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-349-3814 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-349-3814. Primary manufacturer part number: 20-0783.
Features
  • Valve,safety Relief — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-349-3814, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-349-3814
Primary Part Number20-0783
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpeakman Company Dba Speakman Div Plumbing, Safety, and Shower Products
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3020-00-289-75972Z4872-392 INTERCHANGEABLE
Gear,worm
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4210-00-295-99833233-0028-5 INTERCHANGEABLE
Tip Assembly,water
Kidde Fire Fighting, Inc. Div National Foam
Cross-Reference Index
Part NumberManufacturer
20-0783 PRIMARY Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products (USA)
Related Parts
3020-00-289-7597INTERCHANGEABLE
GEAR,WORM
2Z4872-392
4210-00-295-9983INTERCHANGEABLE
TIP ASSEMBLY,WATER
3233-0028-5

Frequently Asked Questions

What is NSN 4820-01-349-3814?

NSN 4820-01-349-3814 is a Valve,safety Relief, manufactured by Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-349-3814?

NSN 4820-01-349-3814 has 1 cross-referenced part number: 20-0783 (Speakman Company Dba Speakman Div Plumbing, Safety, and Shower Products).

What NSN replaces 4820-01-349-3814?

There are 2 known substitutes for 4820-01-349-3814: 3020-00-289-7597, 4210-00-295-9983. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-0783?

Key specifications for 20-0783: End Item Identification: 4610-01-219-8707. 1 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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