The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-153-7338, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-153-7338 |
| Primary Part Number | BK3-20.0MHZ |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Bliley Technologies Inc |
| Status | ACTIVE |
| Terminal Diameter | 0.019 INCHES NOMINAL IN |
| Overall Diameter | 0.360 INCHES NOMINAL IN |
| Terminal Length | 1.500 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 40.0 NOMINAL |
| Style Designator | HAT TYPE, 3 WIRE LEADS |
| Diameter | 0.320 INCHES NOMINAL IN |
| Drive Level Rating | 0.05 MILLIWATTS NOMINAL |
| Center to Center Distance Between Terminals | 0.200 INCHES NOMINAL IN |
| Specified Frequency | 3.200 MEGAHERTZ |
| 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 |
|---|---|
| BK3-20.0MHZ PRIMARY | Bliley Technologies Inc (USA) |
| BK3-20.0MHZ | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| BK3-20.0MHZ | Cts Inc (USA) |
| Reference | Meaning |
|---|---|
| BK3-20.0MHZ | 5/9 Secondary reference Inficon Edc Inc. |
NSN 5955-00-153-7338 is a Crystal Unit,quartz, manufactured by Bliley Technologies Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-153-7338 has 3 manufacturer part numbers on file: BK3-20.0MHZ (Bliley Technologies Inc), BK3-20.0MHZ (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled), BK3-20.0MHZ (Cts Inc).
Key specifications for BK3-20.0MHZ: Terminal Diameter: 0.019 INCHES NOMINAL IN; Overall Diameter: 0.360 INCHES NOMINAL IN; Terminal Length: 1.500 INCHES NOMINAL IN; Mode of Oscillation: FUNDAMENTAL. 10 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.