Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY SPECIAL FEATURES
Identification
NSN: 4240-01-266-6917
NIIN: 012666917
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
General Description
The Filter,gas-Particulate, cataloged under National Stock Number 4240-01-266-6917, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4240-01-266-6917
Item Name
Filter,gas-Particulate
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Status
ACTIVE
Material
PLASTIC POLYCARBONATE FILTER
Reference Number Differentiating Characteristics
AS DIFFERENTIATED BY SPECIAL FEATURES
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
S
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
130181-2
3/1Design control — primary reference
U.S. Government activity
No interchangeability data on file.
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 4240-01-266-6917?
NSN 4240-01-266-6917 is a Filter,gas-Particulate, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What are the specifications of 4240-01-266-6917?
Key specifications for 4240-01-266-6917: Overall Length: 2.030 INCHES NOMINAL IN; Overall Width: 1.340 INCHES NOMINAL IN; Special Features: UNLESS OTHERWISE SPECIFIED 0.125 MICROIN MACHINED SURFACE FINISH; Material: PLASTIC POLYCARBONATE FILTER. 2 specifications are documented in the U.S. Government catalog.
Is NSN 4240-01-266-6917 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.