The Oscillator,noncrystal Controlled, cataloged under National Stock Number 5955-01-221-4440, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Omniyig, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5955-01-221-4440 |
| Primary Part Number | YOM143F |
| Item Name | Oscillator,noncrystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Omniyig, Inc. |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | ENCASED |
| Control Type | LOCAL |
| Average Power Rating Per Channel | 46.0 MILLIWATTS OUTPUT |
| Connection Type | SOLDER LUG RIGHT SIDE |
| Connection Type | COAXIAL RECEPTACLE FRONT |
| Connection Type | SOLDER LUG LEFT SIDE |
| Connection Contact Type and Quantity | 1 RECEPTACLE, COAXIAL EXTERNAL AND 8 SOLDER LUG EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Average Life Measurement | NOT RATED |
| Environmental Protection | GENERAL PURPOSE |
| Frequency Adjustment Type | CONTINUOUS |
| Installation Design | MECHANICAL |
| 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 |
|---|---|
| YOM143F PRIMARY | Omniyig, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 174093 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5955-01-221-4440 is a Oscillator,noncrystal Controlled, manufactured by Omniyig, Inc., classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-221-4440 has 1 manufacturer part number on file: YOM143F (Omniyig, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-324-5413. Verify interchangeability with system specifications before substitution.
Key specifications for YOM143F: Circuit Construction Type: SOLID STATE; Overall Height: 1.950 INCHES NOMINAL IN; Inclosure Type: ENCASED; Control Type: LOCAL. 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 5955-01-221-4440 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.