NSN 5831-01-646-4201 · NIIN 016464201 · Part number 21D0408-1
Vertex Modernization and Sustainment Llc · FSC 5831 — Intercommunication and Public Address Systems, Airborne · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 072E5
Government record, cited
NSN 5831-01-646-4201 — this item is cataloged by the U.S. Government under National Stock Number 5831-01-646-4201. Manufacturer of record part number: 21D0408-1.
Also searched as5831-01-646-4201 ·
5831016464201 ·
NIIN 016464201 ·
01-646-4201 ·
FSC 5831 Intercommunication and Public Address Systems, Airborne · CAGE 072E5 · 21D0408-1
Nearby stock numbers← 5831-01-645-1661 Control, Intercommunication Set
·
5831-01-647-9048 Control, Intercommunication Set →
Features
Control,intercommunication Set — FSC 5831
Criticality Code Justification: AGAV
2 manufacturer part numbers on file
Manufacturer of record: Vertex Modernization and Sustainment Llc
Identification
NSN: 5831-01-646-4201
NIIN: 016464201
FSC: 5831 — Intercommunication and Public Address Systems, Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: 21D0408-1
Manufacturer: Vertex Modernization and Sustainment Llc
General Description
The Control,intercommunication Set, cataloged under National Stock Number 5831-01-646-4201, is classified within Federal Supply Class 5831 (Intercommunication and Public Address Systems, Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Vertex Modernization and Sustainment Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5831-01-646-4201
Primary Part Number
21D0408-1
Item Name
Control,intercommunication Set
FSC / FSG
5831 / 58 — Intercommunication and Public Address Systems, Airborne
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 5831 — Intercommunication and Public Address Systems, Airborne
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5831-00-001-6612
5831-00-001-6612 · Item name not on file
5831-00-001-6614
5831-00-001-6614 · Item name not on file
5831-00-001-6615
5831-00-001-6615 · Item name not on file
5831-00-001-6616
5831-00-001-6616 · Item name not on file
5831-00-001-6617
5831-00-001-6617 · Item name not on file
5831-00-001-6618
5831-00-001-6618 · Item name not on file
5831-00-001-6619
5831-00-001-6619 · Item name not on file
5831-00-001-6620
5831-00-001-6620 · Item name not on file
Frequently Asked Questions
What is NSN 5831-01-646-4201?
NSN 5831-01-646-4201 is a Control,intercommunication Set, manufactured by Vertex Modernization and Sustainment Llc, classified under FSC 5831, Intercommunication and Public Address Systems, Airborne. Status: active.
What part numbers are listed for NSN 5831-01-646-4201?
NSN 5831-01-646-4201 has 2 manufacturer part numbers on file: 21D0408-1 (Vertex Modernization and Sustainment Llc), 21D0408-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
What are the specifications of 21D0408-1?
Key specifications for 21D0408-1: Criticality Code Justification: AGAV; End Item Identification: MH-53E. 1 specification is documented in the U.S. Government catalog.
Is NSN 5831-01-646-4201 hazardous material?
No hazard code in the DLA record (HMIC N). 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.