The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-100-5331, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Mf Electronics Corp.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-100-5331 |
| Primary Part Number | M5623-4M |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Mf Electronics Corp. |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | HERMETICALLY SEALED |
| Control Type | REMOTE |
| Frequency Per Channel | 4.0 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN BOTTOM |
| Connection Contact Type and Quantity | 4 PIN EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Identification Designator | M5623-4MHZ-08111 MHz |
| Average Life Measurement | NOT RATED |
| Environmental Protection | MOISTURE PROOF AND SHOCK RESISTANT AND VIBRATION |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| 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 Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M5623-4M PRIMARY | Mf Electronics Corp. (USA) |
| Reference | Meaning |
|---|---|
| 202427-001 | 7/2 Vendor item drawing reference U.S. Government activity |
| 5411-4M | 5/9 Secondary reference Mf Electronics Corp. |
| M5623-4MHZ | 5/9 Secondary reference Mf Electronics Corp. |
NSN 5955-01-100-5331 is a Oscillator,crystal Controlled, manufactured by Mf Electronics Corp., classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-100-5331 has 1 manufacturer part number on file: M5623-4M (Mf Electronics Corp.).
Key specifications for M5623-4M: Circuit Construction Type: SOLID STATE; Overall Height: 0.365 INCHES NOMINAL 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.
NSN 5955-01-100-5331 has DEMIL Code Q. 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.