The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-402-7930, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Crystal Sokol Products Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-402-7930 |
| Primary Part Number | 11950-001 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Crystal Sokol Products Inc |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.001 TO 0.001 |
| Terminal Diameter | 0.032 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Terminal Length | 1.000 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.725 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 440.0 MAXIMUM |
| Overall Thickness | 0.361 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 10.0 MILLIWATTS NOMINAL |
| Center to Center Distance Between Terminals | 0.486 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Precious Material and Location | EXTERNAL SURFACES SILVER |
| Operating Temp Range | -55.0 TO 105.0 CELSIUS DEGC |
| Specified Frequency | 1.000 MEGAHERTZ |
| Body Thickness | 0.317 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11950-001 | Crystal Sokol Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 5955004027930 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 5955004027930 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| SM-C-413570 | 3/2 Design control — primary reference U.S. Government activity |
| S413570 | 5/9 Secondary reference Raytheon Company |
| SM-C-413570 | 5/9 Secondary reference Quartztek Inc |
| S413570 | 5/9 Secondary reference Inficon Edc Inc. |
NSN 5955-00-402-7930 is a Crystal Unit,quartz, manufactured by Crystal Sokol Products Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-402-7930 has 1 manufacturer part number on file: 11950-001 (Crystal Sokol Products Inc).
Key specifications for 11950-001: Frequency Tolerance for Operating Temp in Percent: -0.001 TO 0.001; Terminal Diameter: 0.032 INCHES NOMINAL IN; Precious Material: SILVER; Terminal Length: 1.000 INCHES NOMINAL IN. 17 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 5955-00-402-7930 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.