The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-342-1435, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Southwest Research Institute. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5955-01-342-1435 |
| Primary Part Number | 8563886-1 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Southwest Research Institute |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5955-01-342-1435 is a Oscillator,crystal Controlled, manufactured by Southwest Research Institute, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-342-1435 has 2 manufacturer part numbers on file: 8563886-1 (Southwest Research Institute), 321001 (Spectrum Microwave, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-3369. Verify interchangeability with system specifications before substitution.
Key specifications for 8563886-1: Overall Length: 3.500 INCHES NOMINAL IN; Overall Width: 1.500 INCHES NOMINAL IN. 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.
NSN 5955-01-342-1435 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.