The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-293-0649, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-01-293-0649 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | HERMETICALLY SEALED |
| Frequency Per Channel | 20.0 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN BOTTOM |
| Connection Contact Type and Quantity | 4 PIN EXTERNAL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Installation Design | MODULE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| X0-43B-20.0MHZ | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| X0-33B20.0MHZ | 5/9 Secondary reference Dale Electronics Inc Frequency Control Group |
| X0-43B20.0MHZ | 3/9 Design control — primary reference Dale Electronics Inc Frequency Control Group |
NSN 5955-01-293-0649 is a Oscillator,crystal Controlled, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5955-01-350-5808. Verify interchangeability with system specifications before substitution.
Key specifications for 5955-01-293-0649: Circuit Construction Type: SOLID STATE; Overall Height: 0.200 INCHES MAXIMUM IN; Inclosure Type: HERMETICALLY SEALED; Frequency Per Channel: 20.0 MEGAHERTZ NOMINAL OPERATING CHANNEL. 7 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 5955-01-293-0649 has DEMIL Code Q. 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.