The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-178-6258, 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7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-178-6258 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Terminal Diameter | 0.030 INCHES NOMINAL IN |
| Terminal Length | 1.500 INCHES NOMINAL IN |
| Body Width | 0.725 INCHES NOMINAL IN |
| Overall Thickness | 0.352 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Center to Center Distance Between Terminals | 0.486 INCHES NOMINAL IN |
| Body Thickness | 0.317 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| E1712-1 | C/1 Advisory reference — outside the item-of-supply concept Murata Erie North America Inc State College Opns |
| 331712-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5955-01-178-6258 is a Crystal Unit,quartz, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-01-178-6258: Terminal Diameter: 0.030 INCHES NOMINAL IN; Terminal Length: 1.500 INCHES NOMINAL IN; Body Width: 0.725 INCHES NOMINAL IN; Overall Thickness: 0.352 INCHES NOMINAL IN. 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 5955-01-178-6258 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.