The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-078-7498, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Monitor Products Co. Inc. Dba Monitor Products Co. Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-078-7498 |
| Primary Part Number | 900-4.5KHZ |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Monitor Products Co. Inc. Dba Monitor Products Co. Inc. |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Frequency Per Channel | 4.5 KILOHERTZ NOMINAL OPERATING CHANNEL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| 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 |
|---|---|
| 921073-4 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 900-4.5KHZ PRIMARY | Monitor Products Co. Inc. Dba Monitor Products Co. Inc. (USA) |
NSN 5955-01-078-7498 is a Oscillator,crystal Controlled, manufactured by Monitor Products Co. Inc. Dba Monitor Products Co. Inc., classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-078-7498 has 2 manufacturer part numbers on file: 921073-4 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 900-4.5KHZ (Monitor Products Co. Inc. Dba Monitor Products Co. Inc.).
Key specifications for 900-4.5KHZ: Circuit Construction Type: SOLID STATE; Overall Height: 0.500 INCHES NOMINAL IN; Frequency Per Channel: 4.5 KILOHERTZ NOMINAL OPERATING CHANNEL; Overall Length: 2.000 INCHES NOMINAL IN. 3 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.