PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43226Filter,cotton

Mine Safety Appliances Company · NSN 6665-01-037-9467 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-01-037-9467 — this item is cataloged by the U.S. Government under National Stock Number 6665-01-037-9467. Primary manufacturer part number: 43226.
Features
  • Filter,cotton — FSC 6665
  • 1 verified cross-reference
  • Primary manufacturer: Mine Safety Appliances Company
Applications
  • Fluid filtration and purification
  • Engine intake air cleaning
  • Hydraulic system protection
General Description

The Filter,cotton, cataloged under National Stock Number 6665-01-037-9467, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Mine Safety Appliances Company. 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.

Catalog Facts
Item NameFilter,cotton
FSC / FSG6665 — No Item Name Available (FSG 66)
ManufacturersMine Safety Appliances Company (CAGE 55799)
Technical Specifications
ParameterValue
NSN6665-01-037-9467
Primary Part Number43226
Item NameFilter,cotton
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerMine Safety Appliances Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-034-8673432-26 INTERCHANGEABLE
Gasket
Illinois Tool Works Inc.
5330-00-285-8388 INTERCHANGEABLE
Seal,plain Encased
5910-00-445-685943226 INTERCHANGEABLE
Capacitor,variable,air Dielectri
L3harris Technologies, Inc Div Space & Airborne Systems
5340-00-800-6364432-2-6 INTERCHANGEABLE
Clamp,loop
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
4810-01-374-001043226 INTERCHANGEABLE
Slide,directional Control Linear
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
43226 PRIMARY Mine Safety Appliances Company (USA)
Related Parts
5330-00-034-8673INTERCHANGEABLE
GASKET
432-26
5330-00-285-8388INTERCHANGEABLE
SEAL,PLAIN ENCASED
5910-00-445-6859INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
43226
5340-00-800-6364INTERCHANGEABLE
CLAMP,LOOP
432-2-6
4810-01-374-0010INTERCHANGEABLE
SLIDE,DIRECTIONAL CONTROL LINEAR
43226

Frequently Asked Questions

What is NSN 6665-01-037-9467?

NSN 6665-01-037-9467 is a Filter,cotton, manufactured by Mine Safety Appliances Company, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-01-037-9467?

NSN 6665-01-037-9467 has 1 cross-referenced part number: 43226 (Mine Safety Appliances Company).

What NSN replaces 6665-01-037-9467?

There are 5 known substitutes for 6665-01-037-9467: 5330-00-034-8673, 5330-00-285-8388, 5910-00-445-6859 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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