PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1058-31Bit,mouthpiece,breathing Apparat

Aqualung Usa, Inc · NSN 4220-01-474-3448 · FSC 4220 · No Item Name Available
Verified by PartsTable
NSN 4220-01-474-3448 — this item is cataloged by the U.S. Government under National Stock Number 4220-01-474-3448. Primary manufacturer part number: 1058-31.
Features
  • Bit,mouthpiece,breathing Apparat — FSC 4220
  • Shape: OVAL
  • 3 verified cross-references
  • Primary manufacturer: Aqualung Usa, Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bit,mouthpiece,breathing Apparat, cataloged under National Stock Number 4220-01-474-3448, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4220-01-474-3448
Primary Part Number1058-31
Item NameBit,mouthpiece,breathing Apparat
FSC / FSG4220 / 42 — No Item Name Available
ManufacturerAqualung Usa, Inc
StatusACTIVE
ShapeOVAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-021-5524105831 INTERCHANGEABLE
Screw,cap,hexagon Head
Cummins Inc.
5365-00-103-9249105831-001 INTERCHANGEABLE
Ring,labyrinth Pack
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
5320-00-478-14191058-31 INTERCHANGEABLE
Pin-Rivet
Rolls-Royce Controls and Data Services Limited
4720-00-812-5467105831 INTERCHANGEABLE
Hose Assembly,metallic
Senior Operations Llc Div Senior Aerospace Ssp
5995-00-859-1885105831 INTERCHANGEABLE
Cable,fle,ible
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
5950-01-332-3397 INTERCHANGEABLE
Transformer,power
6515-01-500-6063105.831 INTERCHANGEABLE
Bone Surgery Set
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5340-01-548-3638 INTERCHANGEABLE
Bolt,lock
4220-01-677-7138105831 INTERCHANGEABLE
Bit,mouthpiece,breathing Apparat
Aqua Lung Co Ltd
Cross-Reference Index
Part NumberManufacturer
1058-31 PRIMARY Aqualung Usa, Inc (USA)
HABD 1058-31 Air Liquide Advanced Technologies (FRA)
W002153 Air Liquide Advanced Technologies (FRA)
Related Parts
5305-00-021-5524INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
105831
5365-00-103-9249INTERCHANGEABLE
RING,LABYRINTH PACK
105831-001
5320-00-478-1419INTERCHANGEABLE
PIN-RIVET
1058-31
4720-00-812-5467INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
105831
5995-00-859-1885INTERCHANGEABLE
CABLE,FLE,IBLE
105831
5950-01-332-3397INTERCHANGEABLE
TRANSFORMER,POWER
6515-01-500-6063INTERCHANGEABLE
BONE SURGERY SET
105.831
5340-01-548-3638INTERCHANGEABLE
BOLT,LOCK
4220-01-677-7138INTERCHANGEABLE
BIT,MOUTHPIECE,BREATHING APPARAT
105831

Frequently Asked Questions

What is NSN 4220-01-474-3448?

NSN 4220-01-474-3448 is a Bit,mouthpiece,breathing Apparat, manufactured by Aqualung Usa, Inc, classified under FSC 4220 (No Item Name Available). Status: active.

What are the part numbers for NSN 4220-01-474-3448?

NSN 4220-01-474-3448 has 3 cross-referenced part numbers: 1058-31 (Aqualung Usa, Inc), HABD 1058-31 (Air Liquide Advanced Technologies), W002153 (Air Liquide Advanced Technologies).

What NSN replaces 4220-01-474-3448?

There are 9 known substitutes for 4220-01-474-3448: 5305-00-021-5524, 5365-00-103-9249, 5320-00-478-1419 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1058-31?

Key specifications for 1058-31: Shape: OVAL; Special Features: THE MOUTHPIECE IS BLACK; Part Name Assigned by Controlling Agency: MOUTHPIECE. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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