PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51489Cartridge,respirator,air Filteri

Square D Co Monroe Plant · NSN 4240-01-247-7230 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-247-7230 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-247-7230. Primary manufacturer part number: 51489.
Features
  • Cartridge,respirator,air Filteri — FSC 4240
  • Hazard Protection Feature: DUST AND MIST AND CHLORINE,HYDROGEN CHLORIDE,SULFUR DIOXIDE,FUMES,ASBESTOS-CONTAINING DUSTS AND MIST,RADON DAUGHTERS AND RADIONUCLIDES
  • Criticality Code Justification: FEAT
  • 7 verified cross-references
  • Primary manufacturer: Square D Co Monroe Plant
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 4240-01-247-7230, 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 Square D Co Monroe Plant. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-247-7230
Primary Part Number51489
Item NameCartridge,respirator,air Filteri
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerSquare D Co Monroe Plant
StatusACTIVE
Hazard Protection FeatureDUST AND MIST AND CHLORINE,HYDROGEN CHLORIDE,SULFUR DIOXIDE,FUMES,ASBESTOS-CONTAINING DUSTS AND MIST,RADON DAUGHTERS AND RADIONUCLIDES
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4140-00-020-1835A4M2K-1 INTERCHANGEABLE
Fan,circulating
Ashland Electric Products Inc
3110-00-156-50441473333PC70 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5133-00-233-6395 INTERCHANGEABLE
Drill,twist
5935-00-259-3256SM-C-601276-1 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6240-00-635-60691489 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
5331-01-037-61272507294-40 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5905-01-165-8431A-327-18 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Spx Corporation
3040-01-298-329951489 INTERCHANGEABLE
Plate,retaining,shaft
Husco International Inc
2590-01-671-83725104-1 INTERCHANGEABLE
Pad,cushioning
Tru-Hitch, Inc.
5330-01-698-104851041 INTERCHANGEABLE
Gasket
Cowles Operating Company Dba Carlin Combustion Technology Div Carlin Combustion Technologies
Cross-Reference Index
Part NumberManufacturer
51041 American Optical Co (USA)
R52HE Aearo Company (USA)
R52HE-P1000 Aearo Company (USA)
51041 Aearo Company (USA)
R52HE American Optical Co (USA)
R52HE-P100 Aearo Company (USA)
51489 PRIMARY Square D Co Monroe Plant (USA)
Related Parts
4140-00-020-1835INTERCHANGEABLE
FAN,CIRCULATING
A4M2K-1
3110-00-156-5044INTERCHANGEABLE
BEARING,BALL,ANNULAR
1473333PC70
5133-00-233-6395INTERCHANGEABLE
DRILL,TWIST
5935-00-259-3256INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SM-C-601276-1
6240-00-635-6069INTERCHANGEABLE
LAMP,INCANDESCENT
1489
5331-01-037-6127INTERCHANGEABLE
O-RING
2507294-40
5905-01-165-8431INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
A-327-18
3040-01-298-3299INTERCHANGEABLE
PLATE,RETAINING,SHAFT
51489
2590-01-671-8372INTERCHANGEABLE
PAD,CUSHIONING
5104-1
5330-01-698-1048INTERCHANGEABLE
GASKET
51041

Frequently Asked Questions

What is NSN 4240-01-247-7230?

NSN 4240-01-247-7230 is a Cartridge,respirator,air Filteri, manufactured by Square D Co Monroe Plant, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-247-7230?

NSN 4240-01-247-7230 has 7 cross-referenced part numbers: 51041 (American Optical Co), R52HE (Aearo Company), R52HE-P1000 (Aearo Company), 51041 (Aearo Company), R52HE (American Optical Co) and 2 more.

What NSN replaces 4240-01-247-7230?

There are 10 known substitutes for 4240-01-247-7230: 4140-00-020-1835, 3110-00-156-5044, 5133-00-233-6395 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51489?

Key specifications for 51489: Hazard Protection Feature: DUST AND MIST AND CHLORINE,HYDROGEN CHLORIDE,SULFUR DIOXIDE,FUMES,ASBESTOS-CONTAINING DUSTS AND MIST,RADON DAUGHTERS AND RADIONUCLIDES; Criticality Code Justification: FEAT; Special Features: SOLE SOURCE REQUIRED BY STATUTE 6.302; TC-23C-415/416. 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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