PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7000126163Respirator,air Filtering

3m Company · NSN 4240-01-342-5238 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-342-5238 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-342-5238. Primary manufacturer part number: 7000126163.
Features
  • Respirator,air Filtering — FSC 4240
  • Special Test Features: NIOSH APPROVED 42CFR84
  • Filter Type: CARTRIDGE AND FILTER PAD
  • Mask Type: HALF FACEPIECE
  • Filter Replaceability: REPLACEABLE
  • Criticality Code Justification: FEAT
  • 5 verified cross-references
  • Primary manufacturer: 3m Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Respirator,air Filtering, cataloged under National Stock Number 4240-01-342-5238, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is 3m Company. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-342-5238
Primary Part Number7000126163
Item NameRespirator,air Filtering
FSC / FSG4240 / 42 — No Item Name Available
Manufacturer3m Company
StatusACTIVE
Special Test FeaturesNIOSH APPROVED 42CFR84
Filter TypeCARTRIDGE AND FILTER PAD
Mask TypeHALF FACEPIECE
Filter ReplaceabilityREPLACEABLE
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-080-21076291 INTERCHANGEABLE
Transformer,power Autotransforme
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
9540-00-145-8392 INTERCHANGEABLE
Angle,structural
5305-00-151-276810024 INTERCHANGEABLE
Screw,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5999-00-296-9886 INTERCHANGEABLE
Contact,electrical
2920-00-376-8334E6291 INTERCHANGEABLE
Contact Set,magneto
Prestolite Electric Inc
3540-00-565-62403540-00-565-6240 INTERCHANGEABLE
Strapping and Sealing Kit
Independent Metal Strap Co Inc
1650-00-608-31856240 INTERCHANGEABLE
Filter Element,fluid
Rockwell Collins, Inc. Dba E M S Div Collins Aerospace - Mechanical Systems
4730-00-640-1926 INTERCHANGEABLE
Tube,extension,drain
6625-00-843-077472P231601-5 INTERCHANGEABLE
Ammeter
Herley Chicago Dba Stewart Warner Electronics
6680-00-845-46626240-00000 INTERCHANGEABLE
Transmitter,liquid Quantity
Rochester Sensors, Llc
Cross-Reference Index
Part NumberManufacturer
6291 3m Company Div Oh&esd (USA)
7000126163 PRIMARY 3m Company (USA)
6240 3m Company Div Oh&esd (USA)
70-0703-1671-9 3m Company Div Oh&esd (USA)
6291 3m Company (USA)
Related Parts
5950-00-080-2107INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
6291
9540-00-145-8392INTERCHANGEABLE
ANGLE,STRUCTURAL
5305-00-151-2768INTERCHANGEABLE
SCREW,MACHINE
10024
5999-00-296-9886INTERCHANGEABLE
CONTACT,ELECTRICAL
2920-00-376-8334INTERCHANGEABLE
CONTACT SET,MAGNETO
E6291
3540-00-565-6240INTERCHANGEABLE
STRAPPING AND SEALING KIT
3540-00-565-6240
1650-00-608-3185INTERCHANGEABLE
FILTER ELEMENT,FLUID
6240
4730-00-640-1926INTERCHANGEABLE
TUBE,EXTENSION,DRAIN
6625-00-843-0774INTERCHANGEABLE
AMMETER
72P231601-5
6680-00-845-4662INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
6240-00000
6680-00-865-8586INTERCHANGEABLE
GAGE ROD,LIQUID LEVEL
6291X
5340-00-959-5216INTERCHANGEABLE
BUMPER
8712280

Frequently Asked Questions

What is NSN 4240-01-342-5238?

NSN 4240-01-342-5238 is a Respirator,air Filtering, manufactured by 3m Company, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-342-5238?

NSN 4240-01-342-5238 has 5 cross-referenced part numbers: 6291 (3m Company Div Oh&esd), 7000126163 (3m Company), 6240 (3m Company Div Oh&esd), 70-0703-1671-9 (3m Company Div Oh&esd), 6291 (3m Company).

What NSN replaces 4240-01-342-5238?

There are 12 known substitutes for 4240-01-342-5238: 5950-00-080-2107, 9540-00-145-8392, 5305-00-151-2768 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7000126163?

Key specifications for 7000126163: Special Test Features: NIOSH APPROVED 42CFR84; Special Features: SOLE SOURCE REQUIRED BY STATUTE 6.302; Filter Type: CARTRIDGE AND FILTER PAD; Mask Type: HALF FACEPIECE. 6 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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