The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-577-9679, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Abracon Corporation. 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 | 5955-01-577-9679 |
| Primary Part Number | ABL-4.00MHZ-C-R180-K-H5-U-F-I-T |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Abracon Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| ABL-4.00MHZ-C-R180-K-H5-U-F-I-T PRIMARY | Abracon Corporation (USA) |
NSN 5955-01-577-9679 is a Crystal Unit,quartz, manufactured by Abracon Corporation, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-577-9679 has 1 manufacturer part number on file: ABL-4.00MHZ-C-R180-K-H5-U-F-I-T (Abracon Corporation).
Key specifications for ABL-4.00MHZ-C-R180-K-H5-U-F-I-T: End Item Identification: MICROPROCESSOR CRYSTAL. 0 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.