NSN 4240-01-686-0411 · NIIN 016860411 · Part number 10082166
Mine Safety Appliances Company Dba Permanent Instruments Division · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 00VT4
Government record, cited
NSN 4240-01-686-0411 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-686-0411. Manufacturer of record part number: 10082166.
Also searched as4240-01-686-0411 ·
4240016860411 ·
NIIN 016860411 ·
01-686-0411 ·
FSC 4240 Safety and Rescue Equipment · CAGE 00VT4 · 10082166
Nearby stock numbers← 4240-01-686-0200 Climber's Set, Tree and Pole
·
4240-01-686-0442 Filter, Particulate →
Features
Protector,hearing — FSC 4240
Body Style: HEADSET, COVERED
1 manufacturer part number on file
Manufacturer of record: Mine Safety Appliances Company Dba Permanent Instruments Division
Identification
NSN: 4240-01-686-0411
NIIN: 016860411
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 10082166
Manufacturer: Mine Safety Appliances Company Dba Permanent Instruments Division
General Description
The Protector,hearing, cataloged under National Stock Number 4240-01-686-0411, 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 Mine Safety Appliances Company Dba Permanent Instruments Division. Government technical data includes 1 specification, 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
4240-01-686-0411
Primary Part Number
10082166
Item Name
Protector,hearing
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Mine Safety Appliances Company Dba Permanent Instruments Division
Status
ACTIVE
Body Style
HEADSET, COVERED
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Mine Safety Appliances Company Dba Permanent Instruments Division (USA)
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 4240-01-686-0411?
NSN 4240-01-686-0411 is a Protector,hearing, manufactured by Mine Safety Appliances Company Dba Permanent Instruments Division, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-686-0411?
NSN 4240-01-686-0411 has 1 manufacturer part number on file: 10082166 (Mine Safety Appliances Company Dba Permanent Instruments Division).
What are the specifications of 10082166?
Key specifications for 10082166: Body Style: HEADSET, COVERED; Part Name Assigned by Controlling Agency: PRO-X EARMUFF; End Item Identification: 5180-01-563-6719. 1 specification is documented in the U.S. Government catalog.
Is NSN 4240-01-686-0411 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.