The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-291-4231, 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 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-291-4231 |
| Primary Part Number | BXP-20.0MHZ |
| 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 | -0.015 TO 0.015 |
| Terminal Diameter | 0.017 INCHES NOMINAL IN |
| Terminal Length | 0.500 INCHES NOMINAL IN |
| Mode of Oscillation | FUNDAMENTAL |
| Body Width | 0.399 INCHES NOMINAL IN |
| Equivalent Resistance Value in Ohms | 30.0 MINIMUM AND 75.0 MAXIMUM |
| Overall Thickness | 0.166 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Drive Level Rating | 0.1 MILLIWATTS MINIMUM AND 5.0 MILLIWATTS MAXIMUM |
| Center to Center Distance Between Terminals | 0.192 INCHES NOMINAL IN |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Specified Frequency | 20.000 MEGAHERTZ |
| Body Thickness | 0.147 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BXP-20.0MHZ PRIMARY | Bliley Technologies Inc (USA) |
NSN 5955-01-291-4231 is a Crystal Unit,quartz, manufactured by Bliley Technologies Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-291-4231 has 1 manufacturer part number on file: BXP-20.0MHZ (Bliley Technologies Inc).
Key specifications for BXP-20.0MHZ: Frequency Tolerance for Operating Temp in Percent: -0.015 TO 0.015; Terminal Diameter: 0.017 INCHES NOMINAL IN; Terminal Length: 0.500 INCHES NOMINAL IN; Mode of Oscillation: FUNDAMENTAL. 14 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 5955-01-291-4231 has DEMIL Code Q. 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.