The Switch,digital,matrix, cataloged under National Stock Number 5820-01-373-8932, 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 Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5820-01-373-8932 |
| Primary Part Number | SME-5521K-0002 |
| Item Name | Switch,digital,matrix |
| FSC / FSG | 5820 / 58 — Radio and Television Communication Equipment, Except Airborne |
| Manufacturer | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CHASSIS TY II 1,64 CHANNEL DIGITAL OUTPUT CARD 1,64 CHANNEL DIGITAL INPUT CARD 2,128 X 128 DIGITAL SWITCH CARD 1,POWER SUPPLY MODULE 1,EPROM 1,NAME PLATE 1,CORD SET BRITISH STANDDARD 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SME-5521K-0002 PRIMARY | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA) |
| 92A2145 PRIMARY | Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA) |
| Reference | Meaning |
|---|---|
| 92A2145 | 5/9 Secondary reference Reico Inc |
| SME-5521K-0002 | 5/9 Secondary reference Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp |
| 92A2145 | 5/9 Secondary reference Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp |
| SME-5521K-0002 | 5/9 Secondary reference Reico Inc |
NSN 5820-01-373-8932 is a Switch,digital,matrix, manufactured by Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc, classified under FSC 5820, Radio and Television Communication Equipment, Except Airborne. Status: active.
NSN 5820-01-373-8932 has 2 manufacturer part numbers on file: SME-5521K-0002 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc), 92A2145 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc).
Key specifications for SME-5521K-0002: General Characteristics Item Description: CHASSIS TY II 1,64 CHANNEL DIGITAL OUTPUT CARD 1,64 CHANNEL DIGITAL INPUT CARD 2,128 X 128 DIGITAL SWITCH CARD 1,POWER SUPPLY MODULE 1,EPROM 1,NAME PLATE 1,CORD SET BRITISH STANDDARD 1. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5820-01-373-8932 has DEMIL Code C. Demilitarization may be required before disposal or transfer to non-military entities.
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.