The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-042-5191, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Keysight Technologies Inc (CAGE 7ZXR5); Wenzel International Inc Div Croven Crystals (CAGE 00809); Cts Inc (CAGE 75378) |
| Parameter | Value |
|---|---|
| NSN | 5955-01-042-5191 |
| Primary Part Number | 0410-1199 |
| 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 D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 0410-1199 PRIMARY | Keysight Technologies Inc (USA) |
| 0410-0431 | Wenzel International Inc Div Croven Crystals (CAN) |
| 0410-0431 | Cts Inc (USA) |
| Reference | Meaning |
|---|---|
| 0410-0431 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 0410-1199 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 0410-1199 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 0410-0431 | 5/9 Secondary reference International Crystal Manufacturing Company Dba Icm |
NSN 5955-01-042-5191 is a Crystal Unit,quartz, manufactured by Keysight Technologies Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-042-5191 has 3 manufacturer part numbers on file: 0410-1199 (Keysight Technologies Inc), 0410-0431 (Wenzel International Inc Div Croven Crystals), 0410-0431 (Cts 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 5955-01-042-5191 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.