NSN 4240-01-477-9837 · NIIN 014779837 · Part number D20309-1
Textron Aviation Inc · FSC 4240 — Safety and Rescue Equipment · FSG 42 — Fire Fighting, Rescue, and Safety Equipment · CAGE 7EK50
Government record, cited
NSN 4240-01-477-9837 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-477-9837. Manufacturer of record part number: D20309-1.
Also searched as4240-01-477-9837 ·
4240014779837 ·
NIIN 014779837 ·
01-477-9837 ·
FSC 4240 Safety and Rescue Equipment · CAGE 7EK50 · D20309-1
FSG: 42 — Fire Fighting, Rescue, and Safety Equipment
Primary part number: D20309-1
Manufacturer: Textron Aviation Inc
General Description
The Regulator,governor, cataloged under National Stock Number 4240-01-477-9837, 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 Textron Aviation 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name
Regulator,governor
FSC / FSG
4240 — Safety and Rescue Equipment (FSG 42)
Manufacturers
Textron Aviation Inc (CAGE 7EK50)
Technical Specifications
Parameter
Value
NSN
4240-01-477-9837
Primary Part Number
D20309-1
Item Name
Regulator,governor
FSC / FSG
4240 / 42 — Safety and Rescue Equipment
Manufacturer
Textron Aviation 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 4240-01-477-9837?
NSN 4240-01-477-9837 is a Regulator,governor, manufactured by Textron Aviation Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
What part numbers are listed for NSN 4240-01-477-9837?
NSN 4240-01-477-9837 has 1 manufacturer part number on file: D20309-1 (Textron Aviation Inc).
Is NSN 4240-01-477-9837 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.