The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-147-1555, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. The record lists 3 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 — Oscillators and Piezoelectric Crystals (FSG 59) |
| Manufacturers | Colorado Crystal Corporation (CAGE 33096); Keysight Technologies Inc (CAGE 7ZXR5); General Dynamics Land Systems Inc. (CAGE 01417) |
| Parameter | Value |
|---|---|
| NSN | 5955-01-147-1555 |
| Primary Part Number | 0410-1212 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0410-1212 | Colorado Crystal Corporation (USA) |
| 0410-1212 PRIMARY | Keysight Technologies Inc (USA) |
| 0410-1212 | General Dynamics Land Systems Inc. (USA) |
| Reference | Meaning |
|---|---|
| 0410-1212 | 5/9 Secondary reference Nel Frequency Controls Inc Dba Nel Frequency Controls Inc |
| 0410-1212 | 5/9 Secondary reference Poss Horace G and Co Inc |
| 0410-1212 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 0410-1212 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5955-01-147-1555 is a Crystal Unit,quartz, manufactured by Keysight Technologies Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-147-1555 has 3 manufacturer part numbers on file: 0410-1212 (Colorado Crystal Corporation), 0410-1212 (Keysight Technologies Inc), 0410-1212 (General Dynamics Land Systems Inc.).
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 5955-01-147-1555 has DEMIL Code B. 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.