PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1077-00Regulator,breathing Gas Pressure

Aqualung Usa, Inc · NSN 4220-01-041-2635 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-041-2635 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-041-2635. Primary manufacturer part number: 1077-00.
Features
  • Regulator,breathing Gas Pressure — FSC 4220
  • Emergency Oxygen Control Type: VALVE
  • Installation Design: PORTABLE
  • 7 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,breathing Gas Pressure, cataloged under National Stock Number 4220-01-041-2635, 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. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4220-01-041-2635
Primary Part Number1077-00
Item NameRegulator,breathing Gas Pressure
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerAqualung Usa, Inc
StatusCANCELLED
Emergency Oxygen Control TypeVALVE
Installation DesignPORTABLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
3110-00-227-3237 INTERCHANGEABLE
Bearing,roller,needle
2940-00-529-2738122-0037 INTERCHANGEABLE
Filter Element,fluid
Cummins Power Generation Inc.
5330-00-864-5921MR1-2 INTERCHANGEABLE
Packing,preformed
Minnesota Rubber Co
5950-01-031-4643 INTERCHANGEABLE
Coil,radio Frequency
5330-01-241-27701077-00 INTERCHANGEABLE
Gasket
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5365-01-280-6070441884-2 INTERCHANGEABLE
Spacer,sleeve
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
3130-01-303-6346MR-12 INTERCHANGEABLE
Housing,bearing Unit
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
6750-01-427-0560 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
4666870 Naval Sea Systems Command (USA)
1077-00 PRIMARY Aqualung Usa, Inc (USA)
MR-12 Voit Sports Inc an Independently Owned and Operated Business (USA)
4666870 Naval Ship Systems Command (USA)
1077-00 Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip (USA)
8800-41 PRIMARY Morse Diving, Inc. (USA)
C-3100-24 Aqualung Usa, Inc (USA)
Related Parts
3110-00-227-3237INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
2940-00-529-2738INTERCHANGEABLE
FILTER ELEMENT,FLUID
122-0037
5330-00-864-5921INTERCHANGEABLE
PACKING,PREFORMED
MR1-2
5950-01-031-4643INTERCHANGEABLE
COIL,RADIO FREQUENCY
5330-01-241-2770INTERCHANGEABLE
GASKET
1077-00
5365-01-280-6070INTERCHANGEABLE
SPACER,SLEEVE
441884-2
3130-01-303-6346INTERCHANGEABLE
HOUSING,BEARING UNIT
MR-12
6750-01-427-0560INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 4220-01-041-2635?

NSN 4220-01-041-2635 is a Regulator,breathing Gas Pressure, manufactured by Aqualung Usa, Inc, classified under FSC 4220 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4220-01-041-2635?

NSN 4220-01-041-2635 has 7 cross-referenced part numbers: 4666870 (Naval Sea Systems Command), 1077-00 (Aqualung Usa, Inc), MR-12 (Voit Sports Inc an Independently Owned and Operated Business), 4666870 (Naval Ship Systems Command), 1077-00 (Mar-Vel International, Inc. Dba Mar-Vel Underwater Equip) and 2 more.

What NSN replaces 4220-01-041-2635?

There are 8 known substitutes for 4220-01-041-2635: 3110-00-227-3237, 2940-00-529-2738, 5330-00-864-5921 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1077-00?

Key specifications for 1077-00: Emergency Oxygen Control Type: VALVE; Installation Design: PORTABLE; Special Features: WITH RELIEF VALVE SET 175 PSIG; OUTLET BREATHING HOSE; FREE END FITTING THD 0.562-18UNF-2B SWIVEL NUT WITH PACKING PREFORMED SEALED NIPPLE. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4220-01-041-2635 still in active supply?

NSN 4220-01-041-2635 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.
PartsTable Design LLC · partstable.com