The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-499-6952, 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 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-499-6952 |
| Primary Part Number | 712741-1 |
| 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 AND -0.0010 TO 0.0010 |
| Terminal Diameter | 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN |
| Terminal Length | 0.228 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 22.0 NOMINAL |
| Overall Thickness | 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Style Designator | TUBE BODY, WIRE LEADS |
| Drive Level Rating | 4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MAXIMUM |
| Body Length | 0.565 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.265 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN |
| Load Capacitance in Picofarads | 32.0 NOMINAL AND 25.6 MINIMUM AND 38.4 MAXIMUM |
| Circuit Resonance | ANTIRESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -40.0 TO 65.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 12.001 MEGAHERTZ |
| 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 |
|---|---|
| 77AX1-12-0010 | Power Control Devices, Inc. (USA) |
| 712741-1 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
NSN 5955-00-499-6952 is a Crystal Unit,quartz, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-499-6952 has 2 manufacturer part numbers on file: 77AX1-12-0010 (Power Control Devices, Inc.), 712741-1 (Raytheon Company Div Rmd Strategic).
Key specifications for 712741-1: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005 AND -0.0010 TO 0.0010; Terminal Diameter: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN; Terminal Length: 0.228 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN; Mode of Oscillation: FUNDAMENTAL. 16 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.
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.