The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-451-8663, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Nel Frequency Controls Inc Dba Nel Frequency Controls Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-451-8663 |
| Primary Part Number | HS2849/250 MHZ |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Nel Frequency Controls Inc Dba Nel Frequency Controls Inc |
| Status | ACTIVE |
| Frequency Per Channel | 250.0 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Material | STEEL ENCLOSURE |
| 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 |
|---|---|
| HS2849/250 MHZ PRIMARY | Nel Frequency Controls Inc Dba Nel Frequency Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| 1813-1005 | 7/2 Vendor item drawing reference Keysight Technologies Inc |
| 1813-1005 | 7/9 Vendor item drawing reference Keysight Technologies, Inc. |
| 1813-1005 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5955-01-451-8663 is a Oscillator,crystal Controlled, manufactured by Nel Frequency Controls Inc Dba Nel Frequency Controls Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-451-8663 has 1 manufacturer part number on file: HS2849/250 MHZ (Nel Frequency Controls Inc Dba Nel Frequency Controls Inc).
Key specifications for HS2849/250 MHZ: Overall Height: 7.1 MILLIMETERS NOMINAL MM; Frequency Per Channel: 250.0 MEGAHERTZ NOMINAL OPERATING CHANNEL; Overall Length: 21.0 MILLIMETERS NOMINAL MM; Overall Width: 13.2 MILLIMETERS NOMINAL MM. 3 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.