PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1793-2Cartridge,safety Relief Valve

Pneudraulics, Inc. · NSN 4820-01-191-3776 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-191-3776 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-191-3776. Primary manufacturer part number: 1793-2.
Features
  • Cartridge,safety Relief Valve — FSC 4820
  • General Characteristics Item Description: AL ALY BODY,CRES SEAT AND POPPET; 3.715 IN. O/A LG; 3000.0 PSI; MEDIA HYDRAULIC FLUID; RATED FLOW 15 GPM IN
  • 1 verified cross-reference
  • Primary manufacturer: Pneudraulics, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Cartridge,safety Relief Valve, cataloged under National Stock Number 4820-01-191-3776, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pneudraulics, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). 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: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-191-3776
Primary Part Number1793-2
Item NameCartridge,safety Relief Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusCANCELLED
General Characteristics Item DescriptionAL ALY BODY,CRES SEAT AND POPPET; 3.715 IN. O/A LG; 3000.0 PSI; MEDIA HYDRAULIC FLUID; RATED FLOW 15 GPM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
6610-00-133-18721793-2 INTERCHANGEABLE
Amplifier,azimuth S
Honeywell Intl Inc Defense Avionics Systems
3110-00-151-9147 INTERCHANGEABLE
Ball,bearing
4210-00-256-288317932 INTERCHANGEABLE
Tip,nozzle
Tyco Fire Products Lp
5330-01-229-783717817 INTERCHANGEABLE
Seal,plain
Brunswick Corp Us Marine Div
4130-01-459-9180 INTERCHANGEABLE
Vacu-Discs
Cross-Reference Index
Part NumberManufacturer
1793-2 PRIMARY Pneudraulics, Inc. (USA)
Related Parts
6610-00-133-1872INTERCHANGEABLE
AMPLIFIER,AZIMUTH S
1793-2
3110-00-151-9147INTERCHANGEABLE
BALL,BEARING
4210-00-256-2883INTERCHANGEABLE
TIP,NOZZLE
17932
5330-01-229-7837INTERCHANGEABLE
SEAL,PLAIN
17817
4130-01-459-9180INTERCHANGEABLE
VACU-DISCS

Frequently Asked Questions

What is NSN 4820-01-191-3776?

NSN 4820-01-191-3776 is a Cartridge,safety Relief Valve, manufactured by Pneudraulics, Inc., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-191-3776?

NSN 4820-01-191-3776 has 1 cross-referenced part number: 1793-2 (Pneudraulics, Inc.).

What NSN replaces 4820-01-191-3776?

There are 5 known substitutes for 4820-01-191-3776: 6610-00-133-1872, 3110-00-151-9147, 4210-00-256-2883 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1793-2?

Key specifications for 1793-2: General Characteristics Item Description: AL ALY BODY,CRES SEAT AND POPPET; 3.715 IN. O/A LG; 3000.0 PSI; MEDIA HYDRAULIC FLUID; RATED FLOW 15 GPM IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-191-3776 still in active supply?

NSN 4820-01-191-3776 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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