The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-467-1779, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5955-01-467-1779 |
| Primary Part Number | 879-021-004 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| Status | ACTIVE |
| 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 |
|---|---|
| 879-021-004 PRIMARY | Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations (USA) |
| Reference | Meaning |
|---|---|
| 879-021-004 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division |
NSN 5955-01-467-1779 is a Oscillator,crystal Controlled, manufactured by Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-467-1779 has 1 manufacturer part number on file: 879-021-004 (Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations).
Key specifications for 879-021-004: End Item Identification: C-17A AIRCRAFT A. 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.
NSN 5955-01-467-1779 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.