The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-980-9877, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 18 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 | 5955-00-980-9877 |
| Primary Part Number | 289-1423-000 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Controlled Reference Temp | 75.0 CELSIUS DEGC |
| Operable Temp Range | -55.0 TO 80.0 CELSIUS DEGC |
| Frequency Tolerance for Operating Temp in Percent | -0.001 TO 0.001 AND -0.0005 TO 0.0005 |
| Terminal Diameter | 0.016 INCHES NOMINAL IN |
| Frequency Tolerance at Reference Temp in Percent | -0.001 TO 0.001 |
| Overall Diameter | 0.500 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN |
| Terminal Length | 1.250 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 11000.0 MAXIMUM |
| Frequency Stability in Percent | -0.0001 TO 0.0001 |
| Style Designator | TUBE TYPE, WIRE LEADS |
| Drive Level Rating | 1.6 MILLIWATTS MINIMUM AND 2.4 MILLIWATTS MAXIMUM |
| Body Length | 1.375 INCHES MAXIMUM IN |
| Load Capacitance in Picofarads | 32.0 NOMINAL AND 25.6 MINIMUM AND 38.4 MAXIMUM |
| Circuit Resonance | ANTIRESONANCE |
| Operating Temp Range | +80.0 TO 90.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 499.925 KILOHERTZ |
| 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 |
|---|---|
| BL289-1423-000 | Bliley Technologies Inc (USA) |
| 289-1423-000 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5955-00-980-9877 is a Crystal Unit,quartz, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-980-9877 has 2 manufacturer part numbers on file: BL289-1423-000 (Bliley Technologies Inc), 289-1423-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 289-1423-000: Controlled Reference Temp: 75.0 CELSIUS DEGC; Operable Temp Range: -55.0 TO 80.0 CELSIUS DEGC; Frequency Tolerance for Operating Temp in Percent: -0.001 TO 0.001 AND -0.0005 TO 0.0005; Terminal Diameter: 0.016 INCHES NOMINAL IN. 18 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.