The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-272-5620, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is M-Tron Industries, Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-01-272-5620 |
| Primary Part Number | MTO-T1-S3-19.6608MHZ |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | M-Tron Industries, Inc |
| Status | ACTIVE |
| Inclosure Type | HERMETICALLY SEALED |
| Frequency Per Channel | 19.6608 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN BOTTOM |
| Connection Contact Type and Quantity | 4 PIN EXTERNAL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Average Life Measurement | NOT RATED |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Installation Design | PANEL |
| External DC Operating Voltage in Volts | 5.0 NOMINAL SINGLE VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MTO-T1-S3-19.6608MHZ | M-Tron Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| X0-43B19.6608 | 3/9 Design control — primary reference Dale Electronics Inc Frequency Control Group |
| 277-0414-020 | 5/9 Secondary reference U.S. Government activity |
| Z0-43B19.6608 | C/1 Advisory reference — outside the item-of-supply concept Dale Electronics Inc Frequency Control Group |
| X0-33B19.6608 | 5/9 Secondary reference Dale Electronics Inc Frequency Control Group |
NSN 5955-01-272-5620 is a Oscillator,crystal Controlled, manufactured by M-Tron Industries, Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-272-5620 has 1 manufacturer part number on file: MTO-T1-S3-19.6608MHZ (M-Tron Industries, Inc).
1 possible match (shared part number, not a government interchangeability claim): 5955-01-383-0941. Verify interchangeability with system specifications before substitution.
Key specifications for MTO-T1-S3-19.6608MHZ: Overall Height: 0.225 INCHES MAXIMUM IN; Inclosure Type: HERMETICALLY SEALED; Frequency Per Channel: 19.6608 MEGAHERTZ NOMINAL OPERATING CHANNEL; Connection Type: PIN BOTTOM. 9 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 5955-01-272-5620 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.