FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
General Description
The Mask,chemical-Biological, cataloged under National Stock Number 4240-01-413-4097, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Current acquisition status: Active.
What this record contains
This page shows the U.S. Government catalog record for NSN 4240-01-413-4097 as we hold it. The record gives the stock number, the item name (Mask,chemical-Biological), its supply class (FSC 4240, Safety and Rescue Equipment) and its status (active). It lists no specifications, no manufacturer and no manufacturer part numbers. We show what the record contains and nothing more. If you know this part by a manufacturer's part number, search for that number instead.
Catalog Facts
Item Name
Mask,chemical-Biological
FSC / FSG
4240 — Safety and Rescue Equipment (FSG 42)
Technical Specifications
Parameter
Value
NSN
4240-01-413-4097
Item Name
Mask,chemical-Biological
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL F — Mutilate — Cut
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
No interchangeability data on file.
Other items in FSC 4240 — Safety and Rescue Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4240-00-001-1515
4240-00-001-1515 · Item name not on file
4240-00-001-2684
4240-00-001-2684 · Item name not on file
4240-00-006-0022
HOSE,EVACUATION
4240-00-007-4576
4240-00-007-4576 · Item name not on file
4240-00-007-8182
4240-00-007-8182 · Item name not on file
4240-00-007-8183
4240-00-007-8183 · Item name not on file
4240-00-007-8184
4240-00-007-8184 · Item name not on file
4240-00-007-8185
4240-00-007-8185 · Item name not on file
Frequently Asked Questions
What is NSN 4240-01-413-4097?
NSN 4240-01-413-4097 is a Mask,chemical-Biological, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Is NSN 4240-01-413-4097 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 4240-01-413-4097?
NSN 4240-01-413-4097 has DEMIL Code F. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.