PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N7500-3LCartridge,respirator,air Filteri

North Safety Products L.l.c. Dba North Safety Products · NSN 4240-00-143-4391 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-00-143-4391 — this item is cataloged by the U.S. Government under National Stock Number 4240-00-143-4391. Primary manufacturer part number: N7500-3L.
Features
  • Cartridge,respirator,air Filteri — FSC 4240
  • Hazard Protection Feature: FILTER PROTECTIONS,ACID GASES AND ORGANIC VAPORS
  • 3 verified cross-references
  • Primary manufacturer: North Safety Products L.l.c. Dba North Safety Products
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 4240-00-143-4391, 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 North Safety Products L.l.c. Dba North Safety Products. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-00-143-4391
Primary Part NumberN7500-3L
Item NameCartridge,respirator,air Filteri
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerNorth Safety Products L.l.c. Dba North Safety Products
StatusACTIVE
Hazard Protection FeatureFILTER PROTECTIONS,ACID GASES AND ORGANIC VAPORS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2805-00-278-152775003 INTERCHANGEABLE
Cylinder Sleeve
Brinkley Technology Group Llc Dba Hercules Manufacturing
5310-00-929-6395MS35338-136 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4720-01-115-980475003 INTERCHANGEABLE
Hose Assembly,metallic
Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division
6210-01-177-1399 INTERCHANGEABLE
Light,indicator
5342-01-213-66497500-3 INTERCHANGEABLE
Latch
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
3040-01-278-4311750-03 INTERCHANGEABLE
Lever,remote Control
Hutchens Industries Inc
5306-01-313-0229 INTERCHANGEABLE
Bolt,machine
5310-01-396-804475003 INTERCHANGEABLE
Washer,flat
Deutz Corporation
Cross-Reference Index
Part NumberManufacturer
N7500-3L PRIMARY North Safety Products L.l.c. Dba North Safety Products (USA)
N7500-3A-72 North Safety Products L.l.c. Dba North Safety Products (USA)
7500-3 Siebe North Inc North Safety Equipment Div (USA)
Related Parts
2805-00-278-1527INTERCHANGEABLE
CYLINDER SLEEVE
75003
5310-00-929-6395INTERCHANGEABLE
WASHER,LOCK
MS35338-136
4720-01-115-9804INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
75003
6210-01-177-1399INTERCHANGEABLE
LIGHT,INDICATOR
5342-01-213-6649INTERCHANGEABLE
LATCH
7500-3
3040-01-278-4311INTERCHANGEABLE
LEVER,REMOTE CONTROL
750-03
5306-01-313-0229INTERCHANGEABLE
BOLT,MACHINE
5310-01-396-8044INTERCHANGEABLE
WASHER,FLAT
75003

Frequently Asked Questions

What is NSN 4240-00-143-4391?

NSN 4240-00-143-4391 is a Cartridge,respirator,air Filteri, manufactured by North Safety Products L.l.c. Dba North Safety Products, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-00-143-4391?

NSN 4240-00-143-4391 has 3 cross-referenced part numbers: N7500-3L (North Safety Products L.l.c. Dba North Safety Products), N7500-3A-72 (North Safety Products L.l.c. Dba North Safety Products), 7500-3 (Siebe North Inc North Safety Equipment Div).

What NSN replaces 4240-00-143-4391?

There are 8 known substitutes for 4240-00-143-4391: 2805-00-278-1527, 5310-00-929-6395, 4720-01-115-9804 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N7500-3L?

Key specifications for N7500-3L: Special Features: INTERNAL THREADED CONNECTIONS; Hazard Protection Feature: FILTER PROTECTIONS,ACID GASES AND ORGANIC VAPORS. 2 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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