NSN 4240-01-685-0405 · NIIN 016850405 · Part number 4059309 OXYGEN CLEANCP
Naval Inventory Control Point Mechanicsburg · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 03950
Government record, cited
NSN 4240-01-685-0405 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-685-0405. Manufacturer of record part number: 4059309 OXYGEN CLEANCP.
Also searched as4240-01-685-0405 ·
4240016850405 ·
NIIN 016850405 ·
01-685-0405 ·
FSC 4240 Safety and Rescue Equipment · CAGE 03950 · 4059309 OXYGEN CLEANCP · 4059309 OXYGEN CLEAN
Manufacturer of record: Naval Inventory Control Point Mechanicsburg
Identification
NSN: 4240-01-685-0405
NIIN: 016850405
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 4059309 OXYGEN CLEANCP
Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description
The Cylinder Valve, cataloged under National Stock Number 4240-01-685-0405, 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 Naval Inventory Control Point Mechanicsburg. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Cylinder Valve
FSC / FSG
4240 — Safety and Rescue Equipment (FSG 42)
Manufacturers
Naval Inventory Control Point Mechanicsburg (CAGE 03950)
Technical Specifications
Parameter
Value
NSN
4240-01-685-0405
Primary Part Number
4059309 OXYGEN CLEANCP
Item Name
Cylinder Valve
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Naval Inventory Control Point Mechanicsburg
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 4240-01-685-0405?
NSN 4240-01-685-0405 is a Cylinder Valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-685-0405?
NSN 4240-01-685-0405 has 1 manufacturer part number on file: 4059309 OXYGEN CLEANCP (Naval Inventory Control Point Mechanicsburg).
Is NSN 4240-01-685-0405 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.