The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-321-0918, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 — Oscillators and Piezoelectric Crystals (FSG 59) |
| Manufacturers | Northrop Grumman Systems Corporation (CAGE 21877) |
| Parameter | Value |
|---|---|
| NSN | 5955-01-321-0918 |
| Primary Part Number | 187819 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 187819 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| CO-432B-1B-83-912260MHZ | C/1 Advisory reference — outside the item-of-supply concept Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| CO-432B-1B-83-912260MHZ | 5/9 Secondary reference Vectron International Div. of Dover Electronics Inc |
NSN 5955-01-321-0918 is a Oscillator,crystal Controlled, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-321-0918 has 1 manufacturer part number on file: 187819 (Northrop Grumman Systems Corporation).
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 5955-01-321-0918 has DEMIL Code B. 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.