The Crystal Unit,quartz, cataloged under National Stock Number 5955-00-820-3792, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cts Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 — Oscillators and Piezoelectric Crystals (FSG 59) |
| Manufacturers | Cts Inc (CAGE 75378); Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (CAGE 00136) |
| Parameter | Value |
|---|---|
| NSN | 5955-00-820-3792 |
| Primary Part Number | H3WSP773333MHZ |
| Item Name | Crystal Unit,quartz |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Cts Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| H3WSP773333MHZ | Cts Inc (USA) |
| 66-9-14 | Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled (USA) |
| Reference | Meaning |
|---|---|
| 413510-14 | 3/2 Design control — primary reference U.S. Government activity |
| ERC1187-14 | 5/9 Secondary reference Electronic Research Company |
NSN 5955-00-820-3792 is a Crystal Unit,quartz, manufactured by Cts Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-00-820-3792 has 2 manufacturer part numbers on file: H3WSP773333MHZ (Cts Inc), 66-9-14 (Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled).
3 possible matches (shared part number, not a government interchangeability claim): 3930-00-857-3671, 4820-01-062-7386, 4820-01-229-4244. Verify interchangeability with system specifications before substitution.
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.