NSN 4240-01-681-3772 · NIIN 016813772 · Part number M120-45
Knight Electronics, Inc Div Orion Fans · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 1VEL5
Government record, cited
NSN 4240-01-681-3772 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-681-3772. Manufacturer of record part number: M120-45.
Also searched as4240-01-681-3772 ·
4240016813772 ·
NIIN 016813772 ·
01-681-3772 ·
FSC 4240 Safety and Rescue Equipment · CAGE 1VEL5 · M120-45
Manufacturer of record: Knight Electronics, Inc Div Orion Fans
Identification
NSN: 4240-01-681-3772
NIIN: 016813772
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: M120-45
Manufacturer: Knight Electronics, Inc Div Orion Fans
General Description
The Filter,particulate, cataloged under National Stock Number 4240-01-681-3772, 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 Knight Electronics, Inc Div Orion Fans. 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
4240-01-681-3772
Primary Part Number
M120-45
Item Name
Filter,particulate
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Knight Electronics, Inc Div Orion Fans
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 4240-01-681-3772?
NSN 4240-01-681-3772 is a Filter,particulate, manufactured by Knight Electronics, Inc Div Orion Fans, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-681-3772?
NSN 4240-01-681-3772 has 1 manufacturer part number on file: M120-45 (Knight Electronics, Inc Div Orion Fans).
What are the specifications of M120-45?
Key specifications for M120-45: Special Features: TETAINER 4.88 INCHES 0.44 THICK, FILTER 4.46 INCHES 0.13 THICK, GUARD 4.62 INCHES 0.28 THICK, MATCHING FAN SERIES OD1225,OD1238,OA125,OA109 AND OA4715 IN. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4240-01-681-3772 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.