The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-227-5739, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (CAGE 00136); Cts Inc (CAGE 75378) |
| Parameter | Value |
|---|---|
| NSN | 5955-01-227-5739 |
| Primary Part Number | M-25SP |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| 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 |
| Part Number | Manufacturer |
|---|---|
| M-25SP | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| A3012956-2 | Cts Inc (USA) |
| Reference | Meaning |
|---|---|
| A3012956-2 | 3/2 Design control — primary reference U.S. Government activity |
| 150-10800 | 5/9 Secondary reference Quartztek Inc |
NSN 5955-01-227-5739 is a Crystal Unit,quartz, manufactured by Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-227-5739 has 2 manufacturer part numbers on file: M-25SP (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), A3012956-2 (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.
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.