NSN 4240-01-164-2160 · NIIN 011642160 · Part number 45-331-3
Biomarine Inc · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 52032
Government record, cited
NSN 4240-01-164-2160 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-164-2160. Manufacturer of record part number: 45-331-3.
Also searched as4240-01-164-2160 ·
4240011642160 ·
NIIN 011642160 ·
01-164-2160 ·
FSC 4240 Safety and Rescue Equipment · CAGE 52032 · 45-331-3
Features Provided: MEDIA DEMAND OXYGEN PRESSURE SYSTEM
Material: RUBBER OR RUBBER SILICONE CLASS Q
1 manufacturer part number on file
Manufacturer of record: Biomarine Inc
Identification
NSN: 4240-01-164-2160
NIIN: 011642160
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 45-331-3
Manufacturer: Biomarine Inc
General Description
The Nosepiece,oxygen Mask, cataloged under National Stock Number 4240-01-164-2160, 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 Biomarine Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4240-01-164-2160
Primary Part Number
45-331-3
Item Name
Nosepiece,oxygen Mask
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Biomarine Inc
Status
ACTIVE
Slot Quantity
1
Features Provided
MEDIA DEMAND OXYGEN PRESSURE SYSTEM
Material
RUBBER OR RUBBER SILICONE CLASS Q
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 4240-01-164-2160?
NSN 4240-01-164-2160 is a Nosepiece,oxygen Mask, manufactured by Biomarine Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-164-2160?
NSN 4240-01-164-2160 has 1 manufacturer part number on file: 45-331-3 (Biomarine Inc).
What are the specifications of 45-331-3?
Key specifications for 45-331-3: Slot Quantity: 1; Features Provided: MEDIA DEMAND OXYGEN PRESSURE SYSTEM; Material: RUBBER OR RUBBER SILICONE CLASS Q. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4240-01-164-2160 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.