Cap Assembly, Regulator, Breathing4240-01-489-5820
NSN 4240-01-489-5820 · NIIN 014895820 · Part number 803596-01
Scott Technologies, Inc. · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 15927
Government record, cited
NSN 4240-01-489-5820 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-489-5820. Manufacturer of record part number: 803596-01.
Also searched as4240-01-489-5820 ·
4240014895820 ·
NIIN 014895820 ·
01-489-5820 ·
FSC 4240 Safety and Rescue Equipment · CAGE 15927 · 803596-01
Nearby stock numbers← 4240-01-489-5818 Plug Assembly, Test Stand, Breathi
·
4240-01-489-5973 Vacuum Tube Assembly, Breathing a →
Features
Cap Assembly,regulator,breathing — FSC 4240
1 manufacturer part number on file
Manufacturer of record: Scott Technologies, Inc.
Identification
NSN: 4240-01-489-5820
NIIN: 014895820
FSC: 4240 — Safety and Rescue Equipment
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: 803596-01
Manufacturer: Scott Technologies, Inc.
General Description
The Cap Assembly,regulator,breathing, cataloged under National Stock Number 4240-01-489-5820, 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 Scott Technologies, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
4240-01-489-5820
Primary Part Number
803596-01
Item Name
Cap Assembly,regulator,breathing
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Scott Technologies, Inc.
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 4240-01-489-5820?
NSN 4240-01-489-5820 is a Cap Assembly,regulator,breathing, manufactured by Scott Technologies, Inc., classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-489-5820?
NSN 4240-01-489-5820 has 1 manufacturer part number on file: 803596-01 (Scott Technologies, Inc.).
What are the specifications of 803596-01?
Key specifications for 803596-01: Special Features: MFG NAME FOR END ITEM IS 2.2/4.5 TEST STAND; Part Name Assigned by Controlling Agency: REGULATOR CAP ASSEMBLY; End Item Identification: 4240-01-449-6413, OVERHAUL MAINT TEST. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4240-01-489-5820 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.