PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G5-01Helmet,welder's

3m Company · NSN 4240-01-684-5776 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-684-5776 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-684-5776. Primary manufacturer part number: G5-01.
Features
  • Helmet,welder's — FSC 4240
  • Material: PLASTIC MAIN BODY
  • Color: BLACK MAIN BODY
  • Material: GLASS VISOR
  • 2 verified cross-references
  • Primary manufacturer: 3m Company
Applications
  • Applications requiring Plastic Main Body construction
General Description

The Helmet,welder's, cataloged under National Stock Number 4240-01-684-5776, 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 3m Company. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-684-5776
Primary Part NumberG5-01
Item NameHelmet,welder's
FSC / FSG4240 / 42 — No Item Name Available
Manufacturer3m Company
StatusACTIVE
MaterialPLASTIC MAIN BODY
ColorBLACK MAIN BODY
MaterialGLASS VISOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5355-00-022-2739G501 INTERCHANGEABLE
Knob
Fabco Generators, Inc. Dba Fabco Power
5985-00-140-0747218-37365-1 INTERCHANGEABLE
Coupler,directional
Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division
4730-00-223-644600501 INTERCHANGEABLE
Cup,oil,lubricating
Gits Mfg Co Inc
3010-01-019-2954G50-1 INTERCHANGEABLE
Coupling,shaft,rigid
Designatronics Incorporated Div Sterling Instruments Div
9150-01-608-4865 INTERCHANGEABLE
Grease,silicone Insulated Electr
Cross-Reference Index
Part NumberManufacturer
G5-01 PRIMARY 3m Company (USA)
9100 FX-AIR 3m Company (USA)
Related Parts
5355-00-022-2739INTERCHANGEABLE
KNOB
G501
5985-00-140-0747INTERCHANGEABLE
COUPLER,DIRECTIONAL
218-37365-1
4730-00-223-6446INTERCHANGEABLE
CUP,OIL,LUBRICATING
00501
3010-01-019-2954INTERCHANGEABLE
COUPLING,SHAFT,RIGID
G50-1
9150-01-608-4865INTERCHANGEABLE
GREASE,SILICONE INSULATED ELECTR

Frequently Asked Questions

What is NSN 4240-01-684-5776?

NSN 4240-01-684-5776 is a Helmet,welder's, manufactured by 3m Company, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-684-5776?

NSN 4240-01-684-5776 has 2 cross-referenced part numbers: G5-01 (3m Company), 9100 FX-AIR (3m Company).

What NSN replaces 4240-01-684-5776?

There are 5 known substitutes for 4240-01-684-5776: 5355-00-022-2739, 5985-00-140-0747, 4730-00-223-6446 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G5-01?

Key specifications for G5-01: Material: PLASTIC MAIN BODY; Part Name Assigned by Controlling Agency: HELMET, WELDING; Color: BLACK MAIN BODY; Material: GLASS VISOR. 4 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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