The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-403-4248, 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. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-00-403-4248 |
| Primary Part Number | 0410-0139 |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 0410-0139 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 0410-0139 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 0410-0139 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5955-00-403-4248 is a Crystal Unit,quartz, manufactured by Keysight Technologies Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-403-4248 has 1 manufacturer part number on file: 0410-0139 (Keysight Technologies Inc).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-102-7707. Verify interchangeability with system specifications before substitution.
Key specifications for 0410-0139: End Item Identification: AUSTIN SHIP CLASS LPD-4 AMPHIBIOUS TRANSPORT DOCK. 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.
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.