PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RAD64005011Lens,helmet,welder's

Airgas - West, Inc. Dba Airgas · NSN 4240-00-540-2425 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-00-540-2425 — this item is cataloged by the U.S. Government under National Stock Number 4240-00-540-2425. Primary manufacturer part number: RAD64005011.
Features
  • Lens,helmet,welder's — FSC 4240
  • Material: GLASS
  • Departure From Cited Designator: AS MODIFIED BY NATIONAL BUREAU OF STANDARDS SHADE NUMBER
  • National Bureau of Standards Shade Number: CO-BS 13
  • Nondefinitive Spec/std Data: A STYLE AND III TYPE
  • Lens Type: FILTER
  • 8 verified cross-references
  • Primary manufacturer: Airgas - West, Inc. Dba Airgas
Applications
  • Applications requiring Glass construction
General Description

The Lens,helmet,welder's, cataloged under National Stock Number 4240-00-540-2425, 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 Airgas - West, Inc. Dba Airgas. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4240-00-540-2425
Primary Part NumberRAD64005011
Item NameLens,helmet,welder's
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerAirgas - West, Inc. Dba Airgas
StatusCANCELLED
MaterialGLASS
Departure From Cited DesignatorAS MODIFIED BY NATIONAL BUREAU OF STANDARDS SHADE NUMBER
National Bureau of Standards Shade NumberCO-BS 13
Nondefinitive Spec/std DataA STYLE AND III TYPE
Lens TypeFILTER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-183-6843102668-605 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3455-00-224-365359-10006 INTERCHANGEABLE
Cutter,milling,metal Slitting
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5905-00-230-8377423268-1 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5345-00-281-4044C16M INTERCHANGEABLE
Stone,sharpening
Tyrolit Wickman Inc
5310-00-327-40727446 INTERCHANGEABLE
Nut,plastic
Cae Usa Inc.
5120-00-398-4579 INTERCHANGEABLE
Handle,socket Exten
5330-00-450-5531 INTERCHANGEABLE
Packing,preformed
1240-00-670-2508 INTERCHANGEABLE
Binocular
4925-00-722-6304 INTERCHANGEABLE
Linker-Delinker,hand
1377-00-756-3501 INTERCHANGEABLE
Thruster,cartridge Actuated
Cross-Reference Index
Part NumberManufacturer
NORTON MH 13 Siebe North Inc North Safety Equipment Div (USA)
GGG-H-211 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FILTER WELD NO. 13 Square D Co Monroe Plant (USA)
MONARCH NO. 13 Fibre-Metal Products Co Inc (USA)
M13 Siebe North Inc North Safety Equipment Div (USA)
50P/13 North Safety Products L.l.c. Dba North Safety Products (USA)
P-248 SHADE 13 Fibre-Metal Products Co Inc (USA)
RAD64005011 PRIMARY Airgas - West, Inc. Dba Airgas (USA)
Related Parts
3110-00-183-6843INTERCHANGEABLE
BEARING,BALL,ANNULAR
102668-605
3455-00-224-3653INTERCHANGEABLE
CUTTER,MILLING,METAL SLITTING
59-10006
5905-00-230-8377INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
423268-1
5345-00-281-4044INTERCHANGEABLE
STONE,SHARPENING
C16M
5310-00-327-4072INTERCHANGEABLE
NUT,PLASTIC
7446
5120-00-398-4579INTERCHANGEABLE
HANDLE,SOCKET EXTEN
5330-00-450-5531INTERCHANGEABLE
PACKING,PREFORMED
1240-00-670-2508INTERCHANGEABLE
BINOCULAR
4925-00-722-6304INTERCHANGEABLE
LINKER-DELINKER,HAND
1377-00-756-3501INTERCHANGEABLE
THRUSTER,CARTRIDGE ACTUATED
5985-00-779-3334INTERCHANGEABLE
BASE,ANTENNA SUPPORT
ASP3
4730-00-995-3527INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
102-0606C

Frequently Asked Questions

What is NSN 4240-00-540-2425?

NSN 4240-00-540-2425 is a Lens,helmet,welder's, manufactured by Airgas - West, Inc. Dba Airgas, classified under FSC 4240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4240-00-540-2425?

NSN 4240-00-540-2425 has 8 cross-referenced part numbers: NORTON MH 13 (Siebe North Inc North Safety Equipment Div), GGG-H-211 (Federal Specifications Promulgated by General Services Administration Washington DC), FILTER WELD NO. 13 (Square D Co Monroe Plant), MONARCH NO. 13 (Fibre-Metal Products Co Inc), M13 (Siebe North Inc North Safety Equipment Div) and 3 more.

What NSN replaces 4240-00-540-2425?

There are 12 known substitutes for 4240-00-540-2425: 3110-00-183-6843, 3455-00-224-3653, 5905-00-230-8377 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RAD64005011?

Key specifications for RAD64005011: Material: GLASS; Departure From Cited Designator: AS MODIFIED BY NATIONAL BUREAU OF STANDARDS SHADE NUMBER; National Bureau of Standards Shade Number: CO-BS 13; Nondefinitive Spec/std Data: A STYLE AND III TYPE. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4240-00-540-2425 still in active supply?

NSN 4240-00-540-2425 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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