PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

322500Respirator,air Filtering

Honeywell Safety Products Usa, Inc. · NSN 4240-01-312-5541 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-312-5541 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-312-5541. Primary manufacturer part number: 322500.
Features
  • Respirator,air Filtering — FSC 4240
  • Strap Type: SINGLE
  • Head Harness: INCLUDED
  • Criticality Code Justification: FEAT
  • Mask Type: HALF FACEPIECE
  • Material: RUBBER SILICONE CLASS Q MASK
  • Adjustability: NONADJUSTABLE
  • Filter Replaceability: REPLACEABLE
Applications
  • Applications requiring Rubber Silicone Class Q Mask construction
General Description

The Respirator,air Filtering, cataloged under National Stock Number 4240-01-312-5541, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-312-5541
Primary Part Number322500
Item NameRespirator,air Filtering
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerHoneywell Safety Products Usa, Inc.
StatusACTIVE
Strap TypeSINGLE
Head HarnessINCLUDED
Criticality Code JustificationFEAT
Mask TypeHALF FACEPIECE
MaterialRUBBER SILICONE CLASS Q MASK
AdjustabilityNONADJUSTABLE
Filter ReplaceabilityREPLACEABLE
Exhaust ValveINCLUDED
Material TypeELASTIC
Filter TypeCARTRIDGE
Mask Filter Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-209-24243225-00 INTERCHANGEABLE
Washer,key
Avox Systems Inc Dba Avox Systems Inc
4320-00-294-1302322500 INTERCHANGEABLE
Cap,yoke Bearing
Eaton Aerospace, Llc Dba Jackson South
1280-00-832-2370 INTERCHANGEABLE
Computer Sub Assy,b
2320-01-077-7837 INTERCHANGEABLE
Truck,maintenance
5360-01-228-61303225-00 INTERCHANGEABLE
Spring
Ohaus Corporation
3120-01-295-4702F950 INTERCHANGEABLE
Bearing,sleeve
Trico Products Corporation
Cross-Reference Index
Part NumberManufacturer
322500 PRIMARY Honeywell Safety Products Usa, Inc. (USA)
F950 Glendale Protective Technologies, Inc. (USA)
F950 Honeywell Safety Products Usa, Inc. (USA)
F950 Dalloz Safety (USA)
Related Parts
5310-00-209-2424INTERCHANGEABLE
WASHER,KEY
3225-00
4320-00-294-1302INTERCHANGEABLE
CAP,YOKE BEARING
322500
1280-00-832-2370INTERCHANGEABLE
COMPUTER SUB ASSY,B
2320-01-077-7837INTERCHANGEABLE
TRUCK,MAINTENANCE
5360-01-228-6130INTERCHANGEABLE
SPRING
3225-00
3120-01-295-4702INTERCHANGEABLE
BEARING,SLEEVE
F950

Frequently Asked Questions

What is NSN 4240-01-312-5541?

NSN 4240-01-312-5541 is a Respirator,air Filtering, manufactured by Honeywell Safety Products Usa, Inc., classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-312-5541?

NSN 4240-01-312-5541 has 4 cross-referenced part numbers: 322500 (Honeywell Safety Products Usa, Inc.), F950 (Glendale Protective Technologies, Inc.), F950 (Honeywell Safety Products Usa, Inc.), F950 (Dalloz Safety).

What NSN replaces 4240-01-312-5541?

There are 6 known substitutes for 4240-01-312-5541: 5310-00-209-2424, 4320-00-294-1302, 1280-00-832-2370 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 322500?

Key specifications for 322500: Strap Type: SINGLE; Head Harness: INCLUDED; Criticality Code Justification: FEAT; Special Features: SOLE SOURCE REQUIRED BY STATUTE 6.302. 12 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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