The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-034-8142, 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 Intl Inc Defense Avionics Systems. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-034-8142 |
| Primary Part Number | 1989573-1 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.003 TO 0.003 |
| Terminal Diameter | 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN |
| Terminal Length | 1.500 INCHES MINIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Equivalent Resistance Value in Ohms | 50.0 MAXIMUM |
| Overall Thickness | 0.183 INCHES MAXIMUM IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 4.0 MILLIWATTS MINIMUM AND 6.0 MILLIWATTS MINIMUM |
| Center to Center Distance Between Terminals | 0.184 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 7.0 MAXIMUM |
| Operating Temp Range | -30.0 TO 60.0 CELSIUS DEGC |
| Specified Frequency | 6.000 MEGAHERTZ |
| Body Thickness | 0.150 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 |
|---|---|
| 1989573-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
| Reference | Meaning |
|---|---|
| 433260-6.000MHZ | 5/9 Secondary reference International Crystal Manufacturing Company Dba Icm |
| CS-M1(6MHZ) | 5/9 Secondary reference International Crystal Manufacturing Company Dba Icm |
| 1989573-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 5955-01-034-8142 is a Crystal Unit,quartz, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-034-8142 has 1 manufacturer part number on file: 1989573-1 (Honeywell Intl Inc Defense Avionics Systems).
Key specifications for 1989573-1: Frequency Tolerance for Operating Temp in Percent: -0.003 TO 0.003; Terminal Diameter: 0.016 INCHES MINIMUM AND 0.019 INCHES MAXIMUM IN; Terminal Length: 1.500 INCHES MINIMUM 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.
NSN 5955-01-034-8142 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.