The Oscillator,crystal Controlled, cataloged under National Stock Number 5963-01-421-4977, is classified within Federal Supply Class 5963 (Electronic Modules) of the Electrical and Electronic Equipment Components group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5963-01-421-4977 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5963 / 59 — Electronic Modules |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 11662-1 | 3/9 Design control — primary reference Engineering Research Associates Inc |
NSN 5963-01-421-4977 is a Oscillator,crystal Controlled, classified under FSC 5963, Electronic Modules. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5331-01-581-3222. Verify interchangeability with system specifications before substitution.
Key specifications for 5963-01-421-4977: End Item Identification: BELONGS TO ENHANCED TRACKWOLF. 0 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.
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.