NSN 4240-01-643-3994 · NIIN 016433994 · Part number 5078790
Med-Eng, Llc · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 341K4
Government record, cited
NSN 4240-01-643-3994 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-643-3994. Manufacturer of record part number: 5078790.
Also searched as4240-01-643-3994 ·
4240016433994 ·
NIIN 016433994 ·
01-643-3994 ·
FSC 4240 Safety and Rescue Equipment · CAGE 341K4 · 5078790
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 5078790
Manufacturer: Med-Eng, Llc
General Description
The Hood,chemical-Biological Mask, cataloged under National Stock Number 4240-01-643-3994, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Med-Eng, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Hood,chemical-Biological Mask
FSC / FSG
4240 — Safety and Rescue Equipment (FSG 42)
Manufacturers
Med-Eng, Llc (CAGE 341K4)
Technical Specifications
Parameter
Value
NSN
4240-01-643-3994
Primary Part Number
5078790
Item Name
Hood,chemical-Biological Mask
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Med-Eng, Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL F — Mutilate — Cut
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 4240-01-643-3994?
NSN 4240-01-643-3994 is a Hood,chemical-Biological Mask, manufactured by Med-Eng, Llc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-643-3994?
NSN 4240-01-643-3994 has 1 manufacturer part number on file: 5078790 (Med-Eng, Llc).
Is NSN 4240-01-643-3994 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 4240-01-643-3994?
NSN 4240-01-643-3994 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.