The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-777-4191, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bliley Technologies Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-00-777-4191 |
| Primary Part Number | 289-2418-00 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Bliley Technologies Inc |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.025 TO 0.025 |
| 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 | 60000.0 NOMINAL |
| Overall Thickness | 0.352 INCHES MAXIMUM IN |
| Style Designator | TUBE BODY, WIRE LEADS |
| Drive Level Rating | 24.0 MILLIWATTS NOMINAL |
| Body Length | 1.526 INCHES MAXIMUM IN |
| Center to Center Distance Between Terminals | 0.478 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN |
| Circuit Resonance | SERIES RESONANCE |
| Shunt Capacitance in Picofarads | 21.8 NOMINAL |
| Operating Temp Range | -0.1 TO 60.0 CELSIUS DEGC |
| Material | GLASS COVER HOLDER |
| Specified Frequency | 2.600 KILOHERTZ |
| Body Thickness | 0.317 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 |
|---|---|
| 289-2418-00 | Bliley Technologies Inc (USA) |
| 289-2418-00 | Monitor Products Co. Inc. Dba Monitor Products Co. Inc. (USA) |
| BH9AB-2.6KC | Bliley Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 289-2418-00 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 289-2418-00 | 5/2 Secondary reference U.S. Government activity |
| 289-2418-000 | 5/2 Secondary reference U.S. Government activity |
NSN 5955-00-777-4191 is a Crystal Unit,quartz, manufactured by Bliley Technologies Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-777-4191 has 3 manufacturer part numbers on file: 289-2418-00 (Bliley Technologies Inc), 289-2418-00 (Monitor Products Co. Inc. Dba Monitor Products Co. Inc.), BH9AB-2.6KC (Bliley Technologies Inc).
Key specifications for 289-2418-00: Frequency Tolerance for Operating Temp in Percent: -0.025 TO 0.025; 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. 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 5955-00-777-4191 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.