The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-905-4155, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell International Inc Dba Honeywell. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-00-905-4155 |
| Primary Part Number | 2088591-1 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Honeywell International Inc Dba Honeywell |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.020 TO 0.020 |
| Terminal Diameter | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Terminal Length | 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.725 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 1000.0 NOMINAL |
| Overall Thickness | 0.352 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, PIN TERMINALS |
| Drive Level Rating | 2.0 MILLIWATTS NOMINAL |
| Body Length | 0.775 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Specified Frequency | 500.000 KILOHERTZ |
| Body Thickness | 0.317 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 2088591-1 | Honeywell International Inc Dba Honeywell (USA) |
| L2088591-1 | Honeywell International Inc Dba Honeywell (USA) |
| Reference | Meaning |
|---|---|
| 2088591-1 | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
| L2088591-1 | 5/9 Secondary reference Raytheon Company Dba Raytheon Co |
| 2C20SSV500-0 | 3/9 Design control — primary reference Murata Erie North America Inc State College Opns |
NSN 5955-00-905-4155 is a Crystal Unit,quartz, manufactured by Honeywell International Inc Dba Honeywell, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-905-4155 has 2 manufacturer part numbers on file: 2088591-1 (Honeywell International Inc Dba Honeywell), L2088591-1 (Honeywell International Inc Dba Honeywell).
Key specifications for 2088591-1: Frequency Tolerance for Operating Temp in Percent: -0.020 TO 0.020; Terminal Diameter: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN; Terminal Length: 0.223 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN; Mode of Oscillation: FUNDAMENTAL. 15 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.