The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-831-5481, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Power Control Devices, Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 — Oscillators and Piezoelectric Crystals (FSG 59) |
| Manufacturers | Power Control Devices, Inc. (CAGE 03040); Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (CAGE 00136); Cts Inc (CAGE 75378) |
| Parameter | Value |
|---|---|
| NSN | 5955-00-831-5481 |
| Primary Part Number | 579R573H65 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Power Control Devices, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 579R573H65 | Power Control Devices, Inc. (USA) |
| 579R573H65 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| 579R573H65 | Cts Inc (USA) |
| Reference | Meaning |
|---|---|
| 579R573H65 | 5/2 Secondary reference U.S. Government activity |
| 579R575H65 | 3/2 Design control — primary reference U.S. Government activity |
| 579R573H65 | 5/9 Secondary reference Piezo Crystal Co |
NSN 5955-00-831-5481 is a Crystal Unit,quartz, manufactured by Power Control Devices, Inc., classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-831-5481 has 3 manufacturer part numbers on file: 579R573H65 (Power Control Devices, Inc.), 579R573H65 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), 579R573H65 (Cts Inc).
1 possible match (shared part number, not a government interchangeability claim): 5955-00-831-6470. Verify interchangeability with system specifications before substitution.
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 5955-00-831-5481 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.