PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1052-00Regulator,single Ho

Aqualung Usa, Inc · NSN 4220-00-141-1903 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-00-141-1903 — this item is cataloged by the U.S. Government under National Stock Number 4220-00-141-1903. Primary manufacturer part number: 1052-00.
Features
  • Regulator,single Ho — FSC 4220
  • 2 verified cross-references
  • Primary manufacturer: Aqualung Usa, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Regulator,single Ho, cataloged under National Stock Number 4220-00-141-1903, is classified within Federal Supply Class 4220 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Aqualung Usa, Inc. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameRegulator,single Ho
FSC / FSG4220 — No Item Name Available (FSG 42)
ManufacturersAqualung Usa, Inc (CAGE 94120)
Technical Specifications
ParameterValue
NSN4220-00-141-1903
Primary Part Number1052-00
Item NameRegulator,single Ho
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerAqualung Usa, Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
2925-00-155-8073 INTERCHANGEABLE
Lock,terminal
5935-00-170-882313SG886 INTERCHANGEABLE
Connector,receptacle,electrical
Aimtron Systems, Llc
6515-00-386-760010-5200 INTERCHANGEABLE
Cannula,laryngeal
Boss Instruments, Limited Inc
5310-00-437-5263 INTERCHANGEABLE
Washer,flat
5975-00-490-1571105200 INTERCHANGEABLE
Mounting Base,electrical Equipme
Astronautics Corporation of America
5935-01-439-0571 INTERCHANGEABLE
Connector,receptacle,electrical
5935-01-439-0577 INTERCHANGEABLE
Connector,receptacle,electrical
6130-01-443-1247ELHB-1031 INTERCHANGEABLE
Power Supply
Arnold Magnetics Corporation Dba Arnold Magnetic Technologies
4440-01-581-1796 INTERCHANGEABLE
Desiccant Pack
4120-01-592-7987HD-1243X/G INTERCHANGEABLE
Air Conditioner
Joint Electronics Type Designation System
Cross-Reference Index
Part NumberManufacturer
1038 Aqualung Usa, Inc (USA)
1052-00 PRIMARY Aqualung Usa, Inc (USA)
Related Parts
2925-00-155-8073INTERCHANGEABLE
LOCK,TERMINAL
5935-00-170-8823INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
13SG886
6515-00-386-7600INTERCHANGEABLE
CANNULA,LARYNGEAL
10-5200
5310-00-437-5263INTERCHANGEABLE
WASHER,FLAT
5975-00-490-1571INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
105200
5935-01-439-0571INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5935-01-439-0577INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
6130-01-443-1247INTERCHANGEABLE
POWER SUPPLY
ELHB-1031
4440-01-581-1796INTERCHANGEABLE
DESICCANT PACK
4120-01-592-7987INTERCHANGEABLE
AIR CONDITIONER
HD-1243X/G

Frequently Asked Questions

What is NSN 4220-00-141-1903?

NSN 4220-00-141-1903 is a Regulator,single Ho, manufactured by Aqualung Usa, Inc, classified under FSC 4220 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4220-00-141-1903?

NSN 4220-00-141-1903 has 2 cross-referenced part numbers: 1038 (Aqualung Usa, Inc), 1052-00 (Aqualung Usa, Inc).

What NSN replaces 4220-00-141-1903?

There are 10 known substitutes for 4220-00-141-1903: 2925-00-155-8073, 5935-00-170-8823, 6515-00-386-7600 and 7 more. Verify interchangeability with system specifications before substitution.

Is NSN 4220-00-141-1903 still in active supply?

NSN 4220-00-141-1903 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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