The Crystal Unit,quartz, cataloged under National Stock Number 5955-01-049-5076, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-01-049-5076 |
| Primary Part Number | 0410-0647 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Terminal Diameter | 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN |
| Terminal Length | 0.250 INCHES NOMINAL IN |
| Body Width | 0.402 INCHES MAXIMUM IN |
| Overall Thickness | 0.172 INCHES NOMINAL IN |
| Style Designator | OVAL BODY, WIRE LEADS |
| Center to Center Distance Between Terminals | 0.187 INCHES NOMINAL IN |
| Specified Frequency | 21.060 MEGAHERTZ |
| Body Thickness | 0.150 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 0410-0647 PRIMARY | Keysight Technologies Inc (USA) |
| 0410-0647 | M-Tron Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| 0410-0647 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 0410-0647 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5955-01-049-5076 is a Crystal Unit,quartz, manufactured by Keysight Technologies Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-049-5076 has 2 manufacturer part numbers on file: 0410-0647 (Keysight Technologies Inc), 0410-0647 (M-Tron Industries, Inc).
Key specifications for 0410-0647: Terminal Diameter: 0.038 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN; Terminal Length: 0.250 INCHES NOMINAL IN; Body Width: 0.402 INCHES MAXIMUM IN; Overall Thickness: 0.172 INCHES NOMINAL IN. 8 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 5955-01-049-5076 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.