NSN 5820-01-231-5420 · NIIN 012315420 · Part number 5550278-4
Naval Sea Systems Command · FSC 5820 — Radio and Television Communication Equipment, Except Airborne · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 53711
Government record, cited
NSN 5820-01-231-5420 — this item is cataloged by the U.S. Government under National Stock Number 5820-01-231-5420. Manufacturer of record part number: 5550278-4.
Also searched as5820-01-231-5420 ·
5820012315420 ·
NIIN 012315420 ·
01-231-5420 ·
FSC 5820 Radio and Television Communication Equipment, Except Airborne · CAGE 53711 · 5550278-4
Nearby stock numbers← 5820-01-231-5419
·
5820-01-231-5594 Transmitter Assembly, Radio →
Features
Support,radio Receiver — FSC 5820
FSC Application Data: RADIO AND TELEVISION COMMUNICATION EQUIPMENT,EXCEPT AIRBORNE
Material: ALUMINUM ALLOY
1 manufacturer part number on file
Manufacturer of record: Naval Sea Systems Command
Identification
NSN: 5820-01-231-5420
NIIN: 012315420
FSC: 5820 — Radio and Television Communication Equipment, Except Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: 5550278-4
Manufacturer: Naval Sea Systems Command
General Description
The Support,radio Receiver, cataloged under National Stock Number 5820-01-231-5420, is classified within Federal Supply Class 5820 (Radio and Television Communication Equipment, Except Airborne) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 2 specifications, 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
5820-01-231-5420
Primary Part Number
5550278-4
Item Name
Support,radio Receiver
FSC / FSG
5820 / 58 — Radio and Television Communication Equipment, Except Airborne
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
FSC Application Data
RADIO AND TELEVISION COMMUNICATION EQUIPMENT,EXCEPT AIRBORNE
Material
ALUMINUM ALLOY
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 5820 — Radio and Television Communication Equipment, Except Airborne
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5820-00-000-0978
5820-00-000-0978 · Item name not on file
5820-00-001-1375
5820-00-001-1375 · Item name not on file
5820-00-001-1379
INSTALLATION KIT,ELECTRONIC EQUI
5820-00-001-1387
5820-00-001-1387 · Item name not on file
5820-00-001-2529
5820-00-001-2529 · Item name not on file
5820-00-001-2530
5820-00-001-2530 · Item name not on file
5820-00-001-2531
5820-00-001-2531 · Item name not on file
5820-00-001-2532
5820-00-001-2532 · Item name not on file
Frequently Asked Questions
What is NSN 5820-01-231-5420?
NSN 5820-01-231-5420 is a Support,radio Receiver, manufactured by Naval Sea Systems Command, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
What part numbers are listed for NSN 5820-01-231-5420?
NSN 5820-01-231-5420 has 1 manufacturer part number on file: 5550278-4 (Naval Sea Systems Command).
What are the specifications of 5550278-4?
Key specifications for 5550278-4: Overall Height: 1.250 INCHES NOMINAL IN; FSC Application Data: RADIO AND TELEVISION COMMUNICATION EQUIPMENT,EXCEPT AIRBORNE; Overall Length: 7.000 INCHES NOMINAL IN; Overall Width: 5.560 INCHES NOMINAL IN. 2 specifications are documented in the U.S. Government catalog.
Is NSN 5820-01-231-5420 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.