The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-216-9770, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-01-216-9770 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 500-0703 | 5/9 Secondary reference Wenzel Associates, Inc. Div Wenzel Associates |
| 2030010-03 | 5/9 Secondary reference Eip Microwave Inc |
| OSC49-38B | 5/9 Secondary reference Oak Crystal Inc |
| 2030010-03 | 3/9 Design control — primary reference Phase Matrix, Inc. Dba Ni Microwave Components |
NSN 5955-01-216-9770 is a Oscillator,crystal Controlled, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-533-0665. Verify interchangeability with system specifications before substitution.
Key specifications for 5955-01-216-9770: Criticality Code Justification: FEAT; Special Features: ESD SENSITIVITY; WEAPON SYSTEM ESSENTIAL; End Item Identification: NSN: 6625-01-155-2334, COUNTER, ELECTRONIC, DIGITAL READOUT; WSD: VIRGINIA CLASS CGN (41) OLIVER PERRY FFG; SPRUANCE DD (963); FORRESTAL CV; LOS ANGELES SSN (688); STURGEON SSN (637); NIMITZ CVN; TICONDEROGA CG (47); KIDD DDG; CALIBRATION STANDARDS EQUIPMENT. 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.