PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G104Cartridge,respirator,air Filteri

Pro-Tech Respirators Inc · NSN 4240-01-249-9296 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-249-9296 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-249-9296. Primary manufacturer part number: G104.
Features
  • Cartridge,respirator,air Filteri — FSC 4240
  • Hazard Protection Feature: ACID GAS AND ORGANIC VAPOR
  • Criticality Code Justification: FEAT
  • 1 verified cross-reference
  • Primary manufacturer: Pro-Tech Respirators Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cartridge,respirator,air Filteri, cataloged under National Stock Number 4240-01-249-9296, 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 Pro-Tech Respirators Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-249-9296
Primary Part NumberG104
Item NameCartridge,respirator,air Filteri
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerPro-Tech Respirators Inc
StatusACTIVE
Hazard Protection FeatureACID GAS AND ORGANIC VAPOR
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5340-00-170-485540387 INTERCHANGEABLE
Strap,retaining
L3harris Technologies, Inc. Dba Harris Corporation
7050-00-256-7432G104-00 INTERCHANGEABLE
Sense Inhibit,compu
Compaq Federal Llc
5365-00-931-784313207E6265-1 INTERCHANGEABLE
Bushing,nonmetallic
Cecom Lr Center
2805-01-162-4223471598 INTERCHANGEABLE
Flywheel,engine
General Motors Llc Dba General Motors Llc
5340-01-364-2426G104 INTERCHANGEABLE
Cover,access
Defense Logistics Agency Dba Defense Supply Center Philadelphia
Cross-Reference Index
Part NumberManufacturer
G104 Pro-Tech Respirators Inc (USA)
Related Parts
5340-00-170-4855INTERCHANGEABLE
STRAP,RETAINING
40387
7050-00-256-7432INTERCHANGEABLE
SENSE INHIBIT,COMPU
G104-00
5365-00-931-7843INTERCHANGEABLE
BUSHING,NONMETALLIC
13207E6265-1
2805-01-162-4223INTERCHANGEABLE
FLYWHEEL,ENGINE
471598
5340-01-364-2426INTERCHANGEABLE
COVER,ACCESS
G104

Frequently Asked Questions

What is NSN 4240-01-249-9296?

NSN 4240-01-249-9296 is a Cartridge,respirator,air Filteri, manufactured by Pro-Tech Respirators Inc, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-249-9296?

NSN 4240-01-249-9296 has 1 cross-referenced part number: G104 (Pro-Tech Respirators Inc).

What NSN replaces 4240-01-249-9296?

There are 5 known substitutes for 4240-01-249-9296: 5340-00-170-4855, 7050-00-256-7432, 5365-00-931-7843 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G104?

Key specifications for G104: Hazard Protection Feature: ACID GAS AND ORGANIC VAPOR; Criticality Code Justification: FEAT; Special Features: NIOSH APPROVAL NO. TC-23C-163; SOLE SOURCE REQUIRED BY STATUTE 6.302; FOR ALL HSC FACEPIECES. 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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