PartsTable TECHNICAL DATA SHEET
Download PDF
NSN 5820-01-308-2181Government record, cited
Home › MRO › Communication, Detection, and Coherent Radiation Equipment › 5820-01-308-2181

Modulation Assembly, Frequency5820-01-308-2181

NSN 5820-01-308-2181 · NIIN 013082181 · Part number 635-8928-004
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · FSC 5820 — Radio and Television Communication Equipment, Except Airborne · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 13499
Government record, cited
NSN 5820-01-308-2181 — this item is cataloged by the U.S. Government under National Stock Number 5820-01-308-2181. Manufacturer of record part number: 635-8928-004.
Also searched as  5820-01-308-2181 · 5820013082181 · NIIN 013082181 · 01-308-2181 · FSC 5820 Radio and Television Communication Equipment, Except Airborne · CAGE 13499 · 635-8928-004
Nearby stock numbers  ·
Features
  • Modulation Assembly,frequency — FSC 5820
  • General Characteristics Item Description: CONSISTS OF CIRCUIT CARD ASSEMBLY1; RESISTOR 2; MODULE ASSEMBLY,TRANSLATOR 1
  • 1 manufacturer part number on file
  • Manufacturer of record: Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Identification
  • NSN: 5820-01-308-2181
  • NIIN: 013082181
  • FSC: 5820 — Radio and Television Communication Equipment, Except Airborne
  • FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
  • Primary part number: 635-8928-004
  • Manufacturer: Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
General Description

The Modulation Assembly,frequency, cataloged under National Stock Number 5820-01-308-2181, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 1 specification, 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
ParameterValue
NSN5820-01-308-2181
Primary Part Number635-8928-004
Item NameModulation Assembly,frequency
FSC / FSG5820 / 58 — Radio and Television Communication Equipment, Except Airborne
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF CIRCUIT CARD ASSEMBLY1; RESISTOR 2; MODULE ASSEMBLY,TRANSLATOR 1
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL D — Destroy Item
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeN
Cross-Reference Index
Part NumberManufacturer
635-8928-004 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (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 5820-01-308-2181?

NSN 5820-01-308-2181 is a Modulation Assembly,frequency, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.

What part numbers are listed for NSN 5820-01-308-2181?

NSN 5820-01-308-2181 has 1 manufacturer part number on file: 635-8928-004 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What are the specifications of 635-8928-004?

Key specifications for 635-8928-004: General Characteristics Item Description: CONSISTS OF CIRCUIT CARD ASSEMBLY1; RESISTOR 2; MODULE ASSEMBLY,TRANSLATOR 1; End Item Identification: AN/GRC-171A(V)4 RADIO SET A. 1 specification is documented in the U.S. Government catalog.

Is NSN 5820-01-308-2181 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.

What is the DEMIL code for NSN 5820-01-308-2181?

NSN 5820-01-308-2181 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.

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.

PartsTable — the parts reference. Every fact cited to its source.
partstable.com/parts/5820-01-308-2181
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
PartsTable Design LLC · partstable.com
partstable.com · © 2026 PartsTable. Data for reference only.
Home · MRO Catalog · Communication, Detection, and Coherent Radiation Equipment