PartsTable TECHNICAL DATA SHEET
NSN 4220-01-705-4105Government record, cited

Regulator, Breathing Gas Pressure4220-01-705-4105

NSN 4220-01-705-4105 · NIIN 017054105 · Part number 04-1B3ACSNNZ
Tescom Corp Dba Tescom Div Tescom · FSC 4220 — Marine Lifesaving and Diving Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 13669
Government record, cited
NSN 4220-01-705-4105 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-705-4105. Manufacturer of record part number: 04-1B3ACSNNZ.
Also searched as  4220-01-705-4105 · 4220017054105 · NIIN 017054105 · 01-705-4105 · FSC 4220 Marine Lifesaving and Diving Equipment · CAGE 13669 · 04-1B3ACSNNZ
Nearby stock numbers  ·
Features
  • Regulator,breathing Gas Pressure — FSC 4220
  • Overall Diameter: 1.61 INCHES NOMINAL IN
  • Mounting Method: PANEL
  • Pressure Gage: INCLUDED
  • 1 manufacturer part number on file
  • Manufacturer of record: Tescom Corp Dba Tescom Div Tescom
Identification
  • NSN: 4220-01-705-4105
  • NIIN: 017054105
  • FSC: 4220 — Marine Lifesaving and Diving Equipment
  • FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
  • Primary part number: 04-1B3ACSNNZ
  • Manufacturer: Tescom Corp Dba Tescom Div Tescom
General Description

The Regulator,breathing Gas Pressure, cataloged under National Stock Number 4220-01-705-4105, is classified within Federal Supply Class 4220 (Marine Lifesaving and Diving Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-705-4105
Primary Part Number04-1B3ACSNNZ
Item NameRegulator,breathing Gas Pressure
FSC / FSG4220 / 42 — Marine Lifesaving and Diving Equipment
ManufacturerTescom Corp Dba Tescom Div Tescom
StatusACTIVE
Overall Diameter1.61 INCHES NOMINAL IN
Mounting MethodPANEL
Pressure GageINCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
04-1B3ACSNNZ PRIMARY Tescom Corp Dba Tescom Div Tescom (USA)
No interchangeability data on file.
Other items in FSC 4220 — Marine Lifesaving and Diving Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4220-00-004-8880
4220-00-004-8880 · Item name not on file
4220-00-009-2854
DIVING EQUIPMENT SET
4220-00-012-3571
INFLATION ASSEMBLY,LIFE JACKET
4220-00-014-0183
4220-00-014-0183 · Item name not on file
4220-00-014-2097
CARTRIDGE,COMPRESSED GAS
4220-00-021-4979
COVER,RAFT
4220-00-021-9688
LANYARD ASSEMBLY
4220-00-022-1014
4220-00-022-1014 · Item name not on file

Frequently Asked Questions

What is NSN 4220-01-705-4105?

NSN 4220-01-705-4105 is a Regulator,breathing Gas Pressure, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4220, Marine Lifesaving and Diving Equipment. Status: active.

What part numbers are listed for NSN 4220-01-705-4105?

NSN 4220-01-705-4105 has 1 manufacturer part number on file: 04-1B3ACSNNZ (Tescom Corp Dba Tescom Div Tescom).

What are the specifications of 04-1B3ACSNNZ?

Key specifications for 04-1B3ACSNNZ: Overall Height: 3.22 INCHES MAXIMUM IN; Overall Diameter: 1.61 INCHES NOMINAL IN; Mounting Method: PANEL; Pressure Gage: INCLUDED. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4220-01-705-4105 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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