The Crystal Unit Set,quartz, cataloged under National Stock Number 5955-01-245-9979, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5955-01-245-9979 |
| Primary Part Number | 409524-131 |
| Item Name | Crystal Unit Set,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled |
| Status | ACTIVE |
| Usage Location | COMMUNICATIONS ZONE |
| 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 |
|---|---|
| 409524-131 | Aimtron Systems, Llc (USA) |
| 409524-131 PRIMARY | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| 409524-131 | 5/9 Secondary reference Cardion Inc |
| 409524-131 | 5/9 Secondary reference Inficon Edc Inc. |
NSN 5955-01-245-9979 is a Crystal Unit Set,quartz, manufactured by Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-245-9979 has 2 manufacturer part numbers on file: 409524-131 (Aimtron Systems, Llc), 409524-131 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
Key specifications for 409524-131: Special Features: SET CONTAINS THREE MATCHED CRYSTALS WITH A FREQ OF 19.083333 MHZ MHz; Usage Location: COMMUNICATIONS ZONE. 1 specification is 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.