The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-424-1561, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-424-1561 |
| Primary Part Number | MH33FAD 2.1MHZ |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | M-Tron Industries, Inc |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | HERMETICALLY SEALED |
| Control Type | REMOTE |
| Frequency Per Channel | 2.100 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN BOTTOM |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Maximum Operating Altitude Rating | 15000.0 FEET FT |
| Specification/standard Data | 37695-620339-1 MANUFACTURERS SPECIFICATION CONTROL |
| Average Life Measurement | NOT RATED |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Test Data Document | 37695-620339 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Installation Design | MODULE |
| External DC Operating Voltage in Volts | 4.5 MINIMUM SINGLE VOLTAGE AND 5.5 MAXIMUM SINGLE VOLTAGE |
| 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 |
|---|---|
| MH33FAD 2.1MHZ PRIMARY | M-Tron Industries, Inc (USA) |
| Reference | Meaning |
|---|---|
| 620339-1 | 7/2 Vendor item drawing reference Raytheon Company |
NSN 5955-01-424-1561 is a Oscillator,crystal Controlled, manufactured by M-Tron Industries, Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-424-1561 has 1 manufacturer part number on file: MH33FAD 2.1MHZ (M-Tron Industries, Inc).
Key specifications for MH33FAD 2.1MHZ: Circuit Construction Type: SOLID STATE; Overall Height: 0.235 INCHES MAXIMUM IN; Inclosure Type: HERMETICALLY SEALED; Control Type: REMOTE. 14 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.
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.