PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0781-0043Regulator,compressed Gas

Victor Equipment Co · NSN 4820-01-194-9324 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-194-9324 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-194-9324. Primary manufacturer part number: 0781-0043.
Features
  • Regulator,compressed Gas — FSC 4820
  • 11 verified cross-references
  • Primary manufacturer: Victor Equipment Co
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Regulator,compressed Gas, cataloged under National Stock Number 4820-01-194-9324, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Victor Equipment Co. This item has 11 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameRegulator,compressed Gas
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersVictor Equipment Co (CAGE 63026); National Torch Tip Co Inc Div of Archsmith Inc (CAGE 93009); Messer Llc (CAGE 00741); Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M (CAGE 81349); Department of the Air Force (CAGE 80049)
Technical Specifications
ParameterValue
NSN4820-01-194-9324
Primary Part Number0781-0043
Item NameRegulator,compressed Gas
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVictor Equipment Co
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-257-2163 INTERCHANGEABLE
Tee,tube
4730-00-444-1606B6TSW3 INTERCHANGEABLE
Tee,tube
Swagelok Co
4820-00-551-1094UL252-TYPE-1 INTERCHANGEABLE
Valve,regulating,fluid Pressure
American National Standards Institute Incorporated Dba American National Standards Institute
4820-00-641-3519UL 252-TYPE-3 INTERCHANGEABLE
Valve,regulating,fluid Pressure
American National Standards Institute Incorporated Dba American National Standards Institute
5961-00-904-0250740112-101 INTERCHANGEABLE
Semiconductor Device,thyristor
Lockheed Martin Corp
5995-01-203-1734W411 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Lockheed Martin Corporation Dba Lockheed Martin
Cross-Reference Index
Part NumberManufacturer
0781-0043 PRIMARY Victor Equipment Co (USA)
W-411 National Torch Tip Co Inc Div of Archsmith Inc (USA)
806-6506 Messer Llc (USA)
SR250D-540 Victor Equipment Co (USA)
MIL-R-13877 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
806-8101 Messer Llc (USA)
809-9106 Messer Llc (USA)
7900631020 Department of the Air Force (USA)
806-8101 Boc Group Inc the (USA)
21-5445-Q Harris J W Co Inc Harris Welco Div (USA)
806-9206 Messer Llc (USA)
Related Parts
4730-00-257-2163INTERCHANGEABLE
TEE,TUBE
4730-00-444-1606INTERCHANGEABLE
TEE,TUBE
B6TSW3
4820-00-551-1094INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
UL252-TYPE-1
4820-00-641-3519INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
UL 252-TYPE-3
5961-00-904-0250INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
740112-101
5995-01-203-1734INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
W411

Frequently Asked Questions

What is NSN 4820-01-194-9324?

NSN 4820-01-194-9324 is a Regulator,compressed Gas, manufactured by Victor Equipment Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-194-9324?

NSN 4820-01-194-9324 has 11 cross-referenced part numbers: 0781-0043 (Victor Equipment Co), W-411 (National Torch Tip Co Inc Div of Archsmith Inc), 806-6506 (Messer Llc), SR250D-540 (Victor Equipment Co), MIL-R-13877 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 4820-01-194-9324?

There are 6 known substitutes for 4820-01-194-9324: 4730-00-257-2163, 4730-00-444-1606, 4820-00-551-1094 and 3 more. Verify interchangeability with system specifications before substitution.

Is NSN 4820-01-194-9324 still in active supply?

NSN 4820-01-194-9324 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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