NSN 5820-01-630-3533 · NIIN 016303533 · Part number 9474277-1
Northrop Grumman Systems Corporation Dba Defense Systems Sector · FSC 5820 — Radio and Television Communication Equipment, Except Airborne · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 0J198
Government record, cited
NSN 5820-01-630-3533 — this item is cataloged by the U.S. Government under National Stock Number 5820-01-630-3533. Manufacturer of record part number: 9474277-1.
Also searched as5820-01-630-3533 ·
5820016303533 ·
NIIN 016303533 ·
01-630-3533 ·
FSC 5820 Radio and Television Communication Equipment, Except Airborne · CAGE 0J198 · 9474277-1
Manufacturer of record: Northrop Grumman Systems Corporation Dba Defense Systems Sector
Identification
NSN: 5820-01-630-3533
NIIN: 016303533
FSC: 5820 — Radio and Television Communication Equipment, Except Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: 9474277-1
Manufacturer: Northrop Grumman Systems Corporation Dba Defense Systems Sector
General Description
The Earphone,hhm, cataloged under National Stock Number 5820-01-630-3533, 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 Northrop Grumman Systems Corporation Dba Defense Systems Sector. 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
5820-01-630-3533
Primary Part Number
9474277-1
Item Name
Earphone,hhm
FSC / FSG
5820 / 58 — Radio and Television Communication Equipment, Except Airborne
Manufacturer
Northrop Grumman Systems Corporation Dba Defense Systems Sector
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Northrop Grumman Systems Corporation Dba Defense Systems Sector (USA)
No interchangeability data on file.
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 5820-01-630-3533?
NSN 5820-01-630-3533 is a Earphone,hhm, manufactured by Northrop Grumman Systems Corporation Dba Defense Systems Sector, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
What part numbers are listed for NSN 5820-01-630-3533?
NSN 5820-01-630-3533 has 1 manufacturer part number on file: 9474277-1 (Northrop Grumman Systems Corporation Dba Defense Systems Sector).
What are the specifications of 9474277-1?
Key specifications for 9474277-1: End Item Identification: MISSION AND SECURITY. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5820-01-630-3533 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.