The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-461-0441, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-461-0441 |
| Primary Part Number | 666278-070 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 AND -0.0010 TO 0.0010 |
| Terminal Diameter | 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Terminal Length | 0.125 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.394 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 50.0 NOMINAL |
| Overall Thickness | 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN |
| Style Designator | TUBE BODY, WIRE LEADS |
| Drive Level Rating | 2.0 MILLIWATTS NOMINAL AND 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Body Length | 0.500 INCHES MINIMUM AND 0.525 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 1.2 MINIMUM AND 1.6 MAXIMUM |
| Operating Temp Range | -40.0 TO 65.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 28.8541 MEGAHERTZ |
| Body Thickness | 0.142 INCHES MINIMUM AND 0.149 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 |
|---|---|
| 666278-070 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
NSN 5955-00-461-0441 is a Crystal Unit,quartz, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-461-0441 has 1 manufacturer part number on file: 666278-070 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc).
Key specifications for 666278-070: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005 AND -0.0010 TO 0.0010; Terminal Diameter: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN; Terminal Length: 0.125 INCHES MINIMUM AND 0.141 INCHES MAXIMUM IN; Mode of Oscillation: FUNDAMENTAL. 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 5955-00-461-0441 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.