PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

50222-10000Mask,air Filtering

Square D Co Monroe Plant · NSN 4240-01-250-2260 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-250-2260 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-250-2260. Primary manufacturer part number: 50222-10000.
Features
  • Mask,air Filtering — FSC 4240
  • Head Harness: INCLUDED
  • 5 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 Mask,air Filtering, cataloged under National Stock Number 4240-01-250-2260, 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 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-250-2260
Primary Part Number50222-10000
Item NameMask,air Filtering
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerSquare D Co Monroe Plant
StatusACTIVE
Head HarnessINCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-034-407457904 INTERCHANGEABLE
Coil,electrical
Hydro-Aire Aerospace Corp
5120-00-222-2211 INTERCHANGEABLE
Mallet,wood
5325-00-297-050450216 INTERCHANGEABLE
Grommet,nonmetallic
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2805-00-360-73454982734 INTERCHANGEABLE
Insulator
Agco Corp Parts Opn
6520-00-542-74803330-227 INTERCHANGEABLE
Pliers,dental
Benco Dental Supply Co.
6220-01-154-32135730949 INTERCHANGEABLE
Light,gearshift Indicator
Am General Llc
2920-01-195-3890SA733 INTERCHANGEABLE
Starter,engine,electrical
Ford Motor Craft
4810-01-200-839250216 INTERCHANGEABLE
Valve,solenoid
Setra Systems, Inc. Dba Gems Sensors
4820-01-310-7691 INTERCHANGEABLE
Valve,check
5935-01-310-9333213093-2 INTERCHANGEABLE
Insert,electrical Connector
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
50216 American Optical Co (USA)
50216 Square D Co Monroe Plant (USA)
A01010 Aearo Company (USA)
A01010 American Optical Co (USA)
50222-10000 PRIMARY Square D Co Monroe Plant (USA)
Related Parts
5950-00-034-4074INTERCHANGEABLE
COIL,ELECTRICAL
57904
5120-00-222-2211INTERCHANGEABLE
MALLET,WOOD
5325-00-297-0504INTERCHANGEABLE
GROMMET,NONMETALLIC
50216
2805-00-360-7345INTERCHANGEABLE
INSULATOR
4982734
6520-00-542-7480INTERCHANGEABLE
PLIERS,DENTAL
3330-227
6220-01-154-3213INTERCHANGEABLE
LIGHT,GEARSHIFT INDICATOR
5730949
2920-01-195-3890INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
SA733
4810-01-200-8392INTERCHANGEABLE
VALVE,SOLENOID
50216
4820-01-310-7691INTERCHANGEABLE
VALVE,CHECK
5935-01-310-9333INTERCHANGEABLE
INSERT,ELECTRICAL CONNECTOR
213093-2
6150-01-587-1774INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
209-000308
4820-01-682-5978INTERCHANGEABLE
VALVE,CHECK

Frequently Asked Questions

What is NSN 4240-01-250-2260?

NSN 4240-01-250-2260 is a Mask,air Filtering, manufactured by Square D Co Monroe Plant, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-250-2260?

NSN 4240-01-250-2260 has 5 cross-referenced part numbers: 50216 (American Optical Co), 50216 (Square D Co Monroe Plant), A01010 (Aearo Company), A01010 (American Optical Co), 50222-10000 (Square D Co Monroe Plant).

What NSN replaces 4240-01-250-2260?

There are 12 known substitutes for 4240-01-250-2260: 5950-00-034-4074, 5120-00-222-2211, 5325-00-297-0504 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 50222-10000?

Key specifications for 50222-10000: Head Harness: INCLUDED; Special Features: DISPOSABLE; SOLE SOURCE REQUIRED BY STATUTE 6.302; PROTECTS AGAINST TOXIC DUST AND MIST; NIOSH APPROVAL NO. TC-21C-351, NO TUB HEAVY DUTY HEADSTRAPS; ULTRASONICALLY WELDED HEADSTRAPS; STRENGTHENED OUTER SHELL; SOFT INNER FACEPIECE; LARGE FILTER AREA AND ADJUSTABLE NOSE PIECE-FOAM INNER SEAL, COLR IS WHITE. 2 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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