The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-231-9458, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Department of State Health Services. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5955-01-231-9458 |
| Primary Part Number | K1158AM-12.0MHZ |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Manufacturer | Department of State Health Services |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | HERMETICALLY SEALED |
| Frequency Per Channel | 12.0 MEGAHERTZ NOMINAL OPERATING CHANNEL |
| Connection Type | PIN BOTTOM |
| Connection Contact Type and Quantity | 4 PIN EXTERNAL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Shock Resistance Rating in Gravitational Units | 1000.0 |
| Shock Pulse Duration Time | 0.35 MILLISECONDS MS |
| Operating Temp Range | -40.0 TO 85.0 CELSIUS DEGC |
| Installation Design | MODULE |
| 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 |
|---|---|
| K1158AM-12.0MHZ PRIMARY | Department of State Health Services (USA) |
| Reference | Meaning |
|---|---|
| K1158A883B-12MHZ | 5/9 Secondary reference Freescale Semiconductor, Inc. |
NSN 5955-01-231-9458 is a Oscillator,crystal Controlled, manufactured by Department of State Health Services, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
NSN 5955-01-231-9458 has 1 manufacturer part number on file: K1158AM-12.0MHZ (Department of State Health Services).
Key specifications for K1158AM-12.0MHZ: Circuit Construction Type: SOLID STATE; Overall Height: 0.240 INCHES MAXIMUM IN; Inclosure Type: HERMETICALLY SEALED; Frequency Per Channel: 12.0 MEGAHERTZ NOMINAL OPERATING CHANNEL. 10 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 5955-01-231-9458 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.