The Electronic Module,standardized, cataloged under National Stock Number 5963-01-204-4914, is classified within Federal Supply Class 5963 (Electronic Modules) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5963-01-204-4914 |
| Primary Part Number | 166821 |
| Item Name | Electronic Module,standardized |
| FSC / FSG | 5963 / 59 — Electronic Modules |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Signal Data Type Per Channel | OPERATING CHANNEL ANALOG VOLTAGE |
| Inclosure Type | ENCASED |
| Control Type | REMOTE |
| Connection Type | PLUG CONNECTOR BOTTOM |
| Connection Contact Type and Quantity | 2 CONNECTOR, PLUG EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Storage Temp Range | -62.0 TO 125.0 CELSIUS DEGC |
| Average Life Measurement | HOURS |
| Environmental Protection | SALT SPRAY RESISTANT AND VIBRATION |
| Operating Temp Range | +0.0 TO 60.0 CELSIUS DEGC |
| Test Data Document | 21877-166821 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Special Markings | MULTIPLEXER |
| Type/model Designation | NGP |
| Installation Design | MODULE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 166821 | Alektronics Inc (USA) |
| 02-900-M324 | Spartronics Williamsport, Inc. Dba Spartronics Williamsport Inc (USA) |
| 166821 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 1728 | 5/1 Secondary reference Centroid, Inc. Dba Centroid Inc |
NSN 5963-01-204-4914 is a Electronic Module,standardized, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5963, Electronic Modules. Status: active.
NSN 5963-01-204-4914 has 3 manufacturer part numbers on file: 166821 (Alektronics Inc), 02-900-M324 (Spartronics Williamsport, Inc. Dba Spartronics Williamsport Inc), 166821 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 6210-01-324-6264. Verify interchangeability with system specifications before substitution.
Key specifications for 166821: Circuit Construction Type: SOLID STATE; Signal Data Type Per Channel: OPERATING CHANNEL ANALOG VOLTAGE; Overall Height: 1.950 INCHES NOMINAL IN; Inclosure Type: ENCASED. 16 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5963-01-204-4914 has DEMIL Code D. 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.