The Oscillator,noncrystal Controlled, cataloged under National Stock Number 5955-01-176-7276, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Xsis Electronics Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-176-7276 |
| Primary Part Number | X143-883B-12.0MHZ |
| Item Name | Oscillator,noncrystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Xsis Electronics Inc |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | ENCASED |
| Frequency Per Channel | 12.0 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN BOTTOM |
| Connection Contact Type and Quantity | 14 PIN EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Maximum Operating Altitude Rating | 100000.0 FEET FT |
| Average Life Measurement | NOT RATED |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Installation Design | MODULE |
| External DC Operating Voltage in Volts | 5.0 NOMINAL 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 |
|---|---|
| X143-883B-12.0MHZ PRIMARY | Xsis Electronics Inc (USA) |
| 148956-1 | Q-Tech Corp Dba Q-Tech Corp (USA) |
| Reference | Meaning |
|---|---|
| X143-883B AT 12.0MHZ | C/1 Advisory reference — outside the item-of-supply concept Xsis Electronics Inc |
| 148956-1 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5955-01-176-7276 is a Oscillator,noncrystal Controlled, manufactured by Xsis Electronics Inc, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-176-7276 has 2 manufacturer part numbers on file: X143-883B-12.0MHZ (Xsis Electronics Inc), 148956-1 (Q-Tech Corp Dba Q-Tech Corp).
Key specifications for X143-883B-12.0MHZ: Circuit Construction Type: SOLID STATE; Overall Height: 0.060 INCHES MAXIMUM IN; Inclosure Type: ENCASED; Frequency Per Channel: 12.0 MEGAHERTZ NOMINAL OPERATING CHANNEL. 12 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.