The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-075-2957, 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 International Inc. Dba Honeywell International. Government technical data includes 11 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 | 5955-01-075-2957 |
| Primary Part Number | 34020905-001 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Honeywell International Inc. Dba Honeywell International |
| Status | ACTIVE |
| Frequency Tolerance for Operating Temp in Percent | -0.005 TO 0.005 |
| Terminal Diameter | 0.018 INCHES NOMINAL IN |
| Overall Diameter | 0.325 INCHES MAXIMUM IN |
| Terminal Length | 0.600 INCHES MINIMUM IN |
| Mode of Oscillation | FUNDAMENTAL |
| Equivalent Resistance Value in Ohms | 25.0 NOMINAL |
| Style Designator | HAT TYPE, 3 WIRE LEADS |
| Drive Level Rating | 5.0 MILLIWATTS NOMINAL |
| Circuit Resonance | SERIES RESONANCE |
| Operating Temp Range | -55.0 TO 105.0 FAHRENHEIT DEGF |
| Specified Frequency | 12.800 MEGAHERTZ |
| 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 |
|---|---|
| 34020905-001 PRIMARY | Honeywell International Inc. Dba Honeywell International (USA) |
NSN 5955-01-075-2957 is a Crystal Unit,quartz, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-075-2957 has 1 manufacturer part number on file: 34020905-001 (Honeywell International Inc. Dba Honeywell International).
Key specifications for 34020905-001: Frequency Tolerance for Operating Temp in Percent: -0.005 TO 0.005; Terminal Diameter: 0.018 INCHES NOMINAL IN; Overall Diameter: 0.325 INCHES MAXIMUM IN; Terminal Length: 0.600 INCHES MINIMUM IN. 11 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 5955-01-075-2957 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.