The Oscillator,crystal Controlled, cataloged under National Stock Number 5955-01-278-7948, is classified within Federal Supply Class 5955 (Oscillators and Piezoelectric Crystals) of the Electrical and Electronic Equipment Components group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5955-01-278-7948 |
| Item Name | Oscillator,crystal Controlled |
| FSC / FSG | 5955 / 59 — Oscillators and Piezoelectric Crystals |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | ENCASED |
| Frequency Per Channel | 56.0 MEGAHERTZ NOMINAL OUTPUT CHANNEL |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Specification/standard Data | 81349-MIL-O-55310/7 GOVERNMENT SPECIFICATION |
| Average Life Measurement | NOT RATED |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Test Data Document | 81349-MIL-O-55310 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| 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 |
| Reference | Meaning |
|---|---|
| M55310/07-B01D56M00000 | 2/2 Government specification standardization U.S. Government activity |
| MIL-O-55310/7 | 4/1 Identification reference U.S. Government activity |
| M55310/07-B01B-56.000000MHZ | 5/9 Secondary reference U.S. Government activity |
| C10578-1 | 5/1 Secondary reference U.S. Government activity |
NSN 5955-01-278-7948 is a Oscillator,crystal Controlled, classified under FSC 5955, Oscillators and Piezoelectric Crystals. Status: active.
Key specifications for 5955-01-278-7948: Circuit Construction Type: SOLID STATE; Overall Height: 0.700 INCHES MAXIMUM IN; Inclosure Type: ENCASED; Frequency Per Channel: 56.0 MEGAHERTZ NOMINAL OUTPUT CHANNEL. 9 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 5955-01-278-7948 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.