NSN 4240-01-659-4818 · NIIN 016594818 · Part number C574-6738
Essex Electro Engineers Inc · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 21269
Government record, cited
NSN 4240-01-659-4818 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-659-4818. Manufacturer of record part number: C574-6738.
Also searched as4240-01-659-4818 ·
4240016594818 ·
NIIN 016594818 ·
01-659-4818 ·
FSC 4240 Safety and Rescue Equipment · CAGE 21269 · C574-6738
Manufacturer of record: Essex Electro Engineers Inc
Identification
NSN: 4240-01-659-4818
NIIN: 016594818
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: C574-6738
Manufacturer: Essex Electro Engineers Inc
General Description
The Filter,gas, cataloged under National Stock Number 4240-01-659-4818, 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 Essex Electro Engineers Inc. 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
Filter,gas
FSC / FSG
4240 — Safety and Rescue Equipment (FSG 42)
Manufacturers
Essex Electro Engineers Inc (CAGE 21269)
Technical Specifications
Parameter
Value
NSN
4240-01-659-4818
Primary Part Number
C574-6738
Item Name
Filter,gas
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Essex Electro Engineers Inc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
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 4240-01-659-4818?
NSN 4240-01-659-4818 is a Filter,gas, manufactured by Essex Electro Engineers Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-659-4818?
NSN 4240-01-659-4818 has 1 manufacturer part number on file: C574-6738 (Essex Electro Engineers Inc).
Is NSN 4240-01-659-4818 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.
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.