The Microcircuit,digital, cataloged under National Stock Number 5962-01-248-9220, is classified within Federal Supply Class 5962 (Microcircuits, Electronic) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Systems Ltd. Government technical data includes 5 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5962-01-248-9220 |
| Primary Part Number | 3904905-4 |
| Item Name | Microcircuit,digital |
| FSC / FSG | 5962 / 59 — Microcircuits, Electronic |
| Manufacturer | Raytheon Systems Ltd |
| Status | ACTIVE |
| Design Function and Quantity | 1 TIMER |
| Body Width | 0.997 INCHES MINIMUM AND 1.003 INCHES MAXIMUM IN |
| Body Height | 0.166 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN |
| Inclosure Configuration | FLAT PACK |
| Body Length | 2.305 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 3904905-4 | Raytheon Systems Ltd (GBR) |
| 259287-4 | Microsemi Corp.- Massachusetts Dba Microsemi Lawrence (USA) |
| Reference | Meaning |
|---|---|
| TS-3972-4 | 5/1 Secondary reference Microsemi Corp.- Massachusetts Dba Microsemi Lawrence |
| 3904905-4 | 3/2 Design control — primary reference U.S. Government activity |
| 259287-4 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5962-01-248-9220 is a Microcircuit,digital, manufactured by Raytheon Systems Ltd, classified under FSC 5962, Microcircuits, Electronic. Status: active.
NSN 5962-01-248-9220 has 2 manufacturer part numbers on file: 3904905-4 (Raytheon Systems Ltd), 259287-4 (Microsemi Corp.- Massachusetts Dba Microsemi Lawrence).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-611-0663. Verify interchangeability with system specifications before substitution.
Key specifications for 3904905-4: Design Function and Quantity: 1 TIMER; Body Width: 0.997 INCHES MINIMUM AND 1.003 INCHES MAXIMUM IN; Body Height: 0.166 INCHES MINIMUM AND 0.173 INCHES MAXIMUM IN; Inclosure Configuration: FLAT PACK. 5 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 5962-01-248-9220 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.