The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-336-7859, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-336-7859 |
| Primary Part Number | CO-441A-0B AT 3MHZ |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | HERMETICALLY SEALED |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Installation Design | MODULE |
| 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 |
|---|---|
| 1618989 | Thales Uk Limited Dba Thales Uk Ltd Defence Mission Systems (GBR) |
| CO-441A-0B AT 3MHZ PRIMARY | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| 1618989 | 5/9 Secondary reference Racal Radar Defence Systems Ltd |
| CO-441A-0B AT 3MHZ | 3/9 Design control — primary reference Vectron International Div. of Dover Electronics Inc |
NSN 5955-01-336-7859 is a Oscillator,crystal Controlled, manufactured by Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-336-7859 has 2 manufacturer part numbers on file: 1618989 (Thales Uk Limited Dba Thales Uk Ltd Defence Mission Systems), CO-441A-0B AT 3MHZ (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for CO-441A-0B AT 3MHZ: Circuit Construction Type: SOLID STATE; Inclosure Type: HERMETICALLY SEALED; Basic Shape Style: RECTANGULAR OR SQUARE; End Item Identification: RAPIER TOWED FSB1(M). 4 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 5955-01-336-7859 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.