The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-944-9922, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-944-9922 |
| Primary Part Number | 289-1772-000 |
| 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 |
| Terminal Diameter | 0.019 INCHES NOMINAL IN |
| Terminal Length | 1.531 INCHES NOMINAL IN |
| Overall Thickness | 0.156 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Specified Frequency | 68.2425 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 |
|---|---|
| 289-1772-000 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| S289-1772-000 | 5/9 Secondary reference Trw Electronics and Defense Sector Rf Devices |
NSN 5955-00-944-9922 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 5955-00-944-9922 has 1 manufacturer part number on file: 289-1772-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 289-1772-000: Terminal Diameter: 0.019 INCHES NOMINAL IN; Terminal Length: 1.531 INCHES NOMINAL IN; Overall Thickness: 0.156 INCHES NOMINAL IN; Style Designator: OVAL BODY, WIRE LEADS. 5 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.