PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73024Gasket,blower,respirator

Mine Safety Appliances Company · NSN 4240-01-250-8275 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-250-8275 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-250-8275. Primary manufacturer part number: 73024.
Features
  • Gasket,blower,respirator — FSC 4240
  • General Characteristics Item Description: SOLE SOURCE REQUIRED BY STATUTE 6.302
  • Color: BLACK
  • 1 verified cross-reference
  • Primary manufacturer: Mine Safety Appliances Company
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Gasket,blower,respirator, cataloged under National Stock Number 4240-01-250-8275, 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 Mine Safety Appliances Company. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-250-8275
Primary Part Number73024
Item NameGasket,blower,respirator
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerMine Safety Appliances Company
StatusACTIVE
General Characteristics Item DescriptionSOLE SOURCE REQUIRED BY STATUTE 6.302
ColorBLACK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5999-00-109-059907-0501-0024 INTERCHANGEABLE
Shielding Gasket,electronic
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5930-01-123-93907302-4 INTERCHANGEABLE
Switch,rotary
Mason Electric Co. Dba Mason Controls
Cross-Reference Index
Part NumberManufacturer
73024 PRIMARY Mine Safety Appliances Company (USA)
Related Parts
5999-00-109-0599INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
07-0501-0024
5930-01-123-9390INTERCHANGEABLE
SWITCH,ROTARY
7302-4

Frequently Asked Questions

What is NSN 4240-01-250-8275?

NSN 4240-01-250-8275 is a Gasket,blower,respirator, manufactured by Mine Safety Appliances Company, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-250-8275?

NSN 4240-01-250-8275 has 1 cross-referenced part number: 73024 (Mine Safety Appliances Company).

What NSN replaces 4240-01-250-8275?

There are 2 known substitutes for 4240-01-250-8275: 5999-00-109-0599, 5930-01-123-9390. Verify interchangeability with system specifications before substitution.

What are the specifications of 73024?

Key specifications for 73024: End Item Identification: RESPIRATOR, MSA, MODEL DUSTFOE 66; General Characteristics Item Description: SOLE SOURCE REQUIRED BY STATUTE 6.302; Color: BLACK. 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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