NSN 5820-01-207-4872 · NIIN 012074872 · Part number D21709-6209-1
Frequency Electronics Inc · FSC 5820 — Radio and Television Communication Equipment, Except Airborne · FSG 58 — Communication, Detection, and Coherent Radiation Equipment · CAGE 14844
Government record, cited
NSN 5820-01-207-4872 — this item is cataloged by the U.S. Government under National Stock Number 5820-01-207-4872. Manufacturer of record part number: D21709-6209-1.
Also searched as5820-01-207-4872 ·
5820012074872 ·
NIIN 012074872 ·
01-207-4872 ·
FSC 5820 Radio and Television Communication Equipment, Except Airborne · CAGE 14844 · D21709-6209-1
General Characteristics Item Description: FINAL FINISH: PAINT GRAY PER FED-STD-595-26307,TT-E-529 CL B; CHASSIS AND COVER: YELLOW IRIDITE PER MIL-C-5541,CLASS 1A; 10.360 IN. LG,4.310 IN. W,4.030 IN. H A
1 manufacturer part number on file
Manufacturer of record: Frequency Electronics Inc
Identification
NSN: 5820-01-207-4872
NIIN: 012074872
FSC: 5820 — Radio and Television Communication Equipment, Except Airborne
FSG: 58 — Communication, Detection, and Coherent Radiation Equipment
Primary part number: D21709-6209-1
Manufacturer: Frequency Electronics Inc
General Description
The Clock Module, cataloged under National Stock Number 5820-01-207-4872, 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 Frequency Electronics Inc. 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
Parameter
Value
NSN
5820-01-207-4872
Primary Part Number
D21709-6209-1
Item Name
Clock Module
FSC / FSG
5820 / 58 — Radio and Television Communication Equipment, Except Airborne
Manufacturer
Frequency Electronics Inc
Status
ACTIVE
General Characteristics Item Description
FINAL FINISH: PAINT GRAY PER FED-STD-595-26307,TT-E-529 CL B; CHASSIS AND COVER: YELLOW IRIDITE PER MIL-C-5541,CLASS 1A; 10.360 IN. LG,4.310 IN. W,4.030 IN. H A
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
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 5820-01-207-4872?
NSN 5820-01-207-4872 is a Clock Module, manufactured by Frequency Electronics Inc, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
What part numbers are listed for NSN 5820-01-207-4872?
NSN 5820-01-207-4872 has 1 manufacturer part number on file: D21709-6209-1 (Frequency Electronics Inc).
What are the specifications of D21709-6209-1?
Key specifications for D21709-6209-1: General Characteristics Item Description: FINAL FINISH: PAINT GRAY PER FED-STD-595-26307,TT-E-529 CL B; CHASSIS AND COVER: YELLOW IRIDITE PER MIL-C-5541,CLASS 1A; 10.360 IN. LG,4.310 IN. W,4.030 IN. H A. 1 specification is documented in the U.S. Government catalog.
Is NSN 5820-01-207-4872 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 5820-01-207-4872?
NSN 5820-01-207-4872 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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.