PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520600/520085Powered-Air Purifying Respirator

Honeywell Safety Products Usa, Inc. · NSN 4240-01-366-2579 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-366-2579 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-366-2579. Primary manufacturer part number: 520600/520085.
Features
  • Powered-Air Purifying Respirator — FSC 4240
  • General Characteristics Item Description: NIOSH/MSHA APPROVAL NO. TC-21C-452
  • 5 verified cross-references
  • Primary manufacturer: Honeywell Safety Products Usa, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Powered-Air Purifying Respirator, cataloged under National Stock Number 4240-01-366-2579, 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 Honeywell Safety Products Usa, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-366-2579
Primary Part Number520600/520085
Item NamePowered-Air Purifying Respirator
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerHoneywell Safety Products Usa, Inc.
StatusACTIVE
General Characteristics Item DescriptionNIOSH/MSHA APPROVAL NO. TC-21C-452
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4240-01-343-2220520600 INTERCHANGEABLE
Powered-Air Purifying
Honeywell Safety Products Usa, Inc.
Cross-Reference Index
Part NumberManufacturer
520600/520085 Honeywell Safety Products Usa, Inc. (USA)
1410222 Survivair Corp Sub of Comasec Inc (USA)
W6783 Survivair Corp Sub of Comasec Inc (USA)
14110222 Dalloz Safety (USA)
W6783 Dalloz Safety (USA)
Related Parts
4240-01-343-2220INTERCHANGEABLE
POWERED-AIR PURIFYING
520600

Frequently Asked Questions

What is NSN 4240-01-366-2579?

NSN 4240-01-366-2579 is a Powered-Air Purifying Respirator, manufactured by Honeywell Safety Products Usa, Inc., classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-366-2579?

NSN 4240-01-366-2579 has 5 cross-referenced part numbers: 520600/520085 (Honeywell Safety Products Usa, Inc.), 1410222 (Survivair Corp Sub of Comasec Inc), W6783 (Survivair Corp Sub of Comasec Inc), 14110222 (Dalloz Safety), W6783 (Dalloz Safety).

What NSN replaces 4240-01-366-2579?

There is 1 known substitute for 4240-01-366-2579: 4240-01-343-2220. Verify interchangeability with system specifications before substitution.

What are the specifications of 520600/520085?

Key specifications for 520600/520085: Special Features: SOLE SOURCE REQUIRED BY STATUTE 6.302; General Characteristics Item Description: NIOSH/MSHA APPROVAL NO. TC-21C-452. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com