PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7581P100LFilter,respirator,air Filtering

North Safety Products L.l.c. Dba North Safety Products · NSN 4240-01-249-2573 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-249-2573 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-249-2573. Primary manufacturer part number: 7581P100L.
Features
  • Filter,respirator,air Filtering — FSC 4240
  • Criticality Code Justification: FEAT
  • FSC Application Data: RESPIRATOR,AIR FILTERING
  • Hazard Protection Feature: TOXIC DUST AND PAINT MIST AND ORGANIC VAPORS
  • 6 verified cross-references
  • Primary manufacturer: North Safety Products L.l.c. Dba North Safety Products
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,respirator,air Filtering, cataloged under National Stock Number 4240-01-249-2573, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-249-2573
Primary Part Number7581P100L
Item NameFilter,respirator,air Filtering
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerNorth Safety Products L.l.c. Dba North Safety Products
StatusACTIVE
Criticality Code JustificationFEAT
FSC Application DataRESPIRATOR,AIR FILTERING
Hazard Protection FeatureTOXIC DUST AND PAINT MIST AND ORGANIC VAPORS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5975-00-902-346275008-1 INTERCHANGEABLE
Mounting Base,electrical Equipme
Hutchinson Aerospace & Industry, Inc. Dba Barry Wright Corp
7910-01-528-0008750081 INTERCHANGEABLE
Adapter,vacuum
Minuteman International, Inc.
Cross-Reference Index
Part NumberManufacturer
7581P100L PRIMARY North Safety Products L.l.c. Dba North Safety Products (USA)
7500-81 Siebe North Inc North Safety Equipment Div (USA)
7581P100 North Safety Products L.l.c. Dba North Safety Products (USA)
7581P100 Siebe North Inc North Safety Equipment Div (USA)
N7500-81 Siebe North Inc North Safety Equipment Div (USA)
7581P100A-36 North Safety Products L.l.c. Dba North Safety Products (USA)
Related Parts
5975-00-902-3462INTERCHANGEABLE
MOUNTING BASE,ELECTRICAL EQUIPME
75008-1
7910-01-528-0008INTERCHANGEABLE
ADAPTER,VACUUM
750081

Frequently Asked Questions

What is NSN 4240-01-249-2573?

NSN 4240-01-249-2573 is a Filter,respirator,air Filtering, 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 4240-01-249-2573?

NSN 4240-01-249-2573 has 6 cross-referenced part numbers: 7581P100L (North Safety Products L.l.c. Dba North Safety Products), 7500-81 (Siebe North Inc North Safety Equipment Div), 7581P100 (North Safety Products L.l.c. Dba North Safety Products), 7581P100 (Siebe North Inc North Safety Equipment Div), N7500-81 (Siebe North Inc North Safety Equipment Div) and 1 more.

What NSN replaces 4240-01-249-2573?

There are 2 known substitutes for 4240-01-249-2573: 5975-00-902-3462, 7910-01-528-0008. Verify interchangeability with system specifications before substitution.

What are the specifications of 7581P100L?

Key specifications for 7581P100L: Criticality Code Justification: FEAT; FSC Application Data: RESPIRATOR,AIR FILTERING; Hazard Protection Feature: TOXIC DUST AND PAINT MIST AND ORGANIC VAPORS; Special Features: USED ON NORTH SERIES 7700,7500,75BP AND 7600 RESPIRATORS; SOLE SOURCE REQUIRED BY STATUTE 6.302. 4 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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