The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-065-9740, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-065-9740 |
| Primary Part Number | 712740-26 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 |
| Terminal Diameter | 0.052 INCHES NOMINAL IN |
| Terminal Length | 0.248 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 20.0 NOMINAL |
| Overall Thickness | 0.352 INCHES NOMINAL IN |
| Style Designator | 7 PIN TUBE BASE |
| Drive Level Rating | 2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Body Length | 0.775 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals | 0.352 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | -40.0 TO 70.0 CELSIUS DEGC |
| Specified Frequency | 5.5875 MEGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B-301-10 | Bliley Technologies Inc (USA) |
| 712740-26 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| S-27-26 | 5/9 Secondary reference Trw Electronics and Defense Sector Rf Devices |
| 712740-26 | 5/2 Secondary reference U.S. Government activity |
| 712740-026 | 5/9 Secondary reference Bliley Technologies Inc |
NSN 5955-00-065-9740 is a Crystal Unit,quartz, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-065-9740 has 2 manufacturer part numbers on file: B-301-10 (Bliley Technologies Inc), 712740-26 (Raytheon Company Div Rmd Strategic).
Key specifications for 712740-26: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Terminal Diameter: 0.052 INCHES NOMINAL IN; Terminal Length: 0.248 INCHES NOMINAL IN; Mode of Oscillation: FUNDAMENTAL. 13 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 5955-00-065-9740 has DEMIL Code B. 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.