NSN 4240-01-566-2231 · NIIN 015662231 · Part number 72601/57
Avon Protection Systems Incorporated Dba Avon Protection Systems Inc · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 1LEW5
Government record, cited
NSN 4240-01-566-2231 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-566-2231. Manufacturer of record part number: 72601/57.
Also searched as4240-01-566-2231 ·
4240015662231 ·
NIIN 015662231 ·
01-566-2231 ·
FSC 4240 Safety and Rescue Equipment · CAGE 1LEW5 · 72601/57
General Characteristics Item Description: RESPIRATOR AIR FILTERING (FM53)
1 manufacturer part number on file
Manufacturer of record: Avon Protection Systems Incorporated Dba Avon Protection Systems Inc
Identification
NSN: 4240-01-566-2231
NIIN: 015662231
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 72601/57
Manufacturer: Avon Protection Systems Incorporated Dba Avon Protection Systems Inc
General Description
The Removal Tool,plug,b, cataloged under National Stock Number 4240-01-566-2231, 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 Avon Protection Systems Incorporated Dba Avon Protection Systems Inc. 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
4240-01-566-2231
Primary Part Number
72601/57
Item Name
Removal Tool,plug,b
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Avon Protection Systems Incorporated Dba Avon Protection Systems Inc
Status
ACTIVE
General Characteristics Item Description
RESPIRATOR AIR FILTERING (FM53)
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Avon Protection Systems Incorporated Dba Avon Protection Systems Inc (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 4240-01-566-2231?
NSN 4240-01-566-2231 is a Removal Tool,plug,b, manufactured by Avon Protection Systems Incorporated Dba Avon Protection Systems Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-566-2231?
NSN 4240-01-566-2231 has 1 manufacturer part number on file: 72601/57 (Avon Protection Systems Incorporated Dba Avon Protection Systems Inc).
What are the specifications of 72601/57?
Key specifications for 72601/57: General Characteristics Item Description: RESPIRATOR AIR FILTERING (FM53); Part Name Assigned by Controlling Agency: FILTER MOUNT BLANKING PLUG REMOVAL TOOL; End Item Identification: FILTER MOUNT PLUG TOOL. 1 specification is documented in the U.S. Government catalog.
Is NSN 4240-01-566-2231 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.