Part Number
Part Number:
NSN:
NIIN:
Item Name:
FREQUENCY STANDARD
Definition:
AN ITEM THAT CAN GENERATE A FUNDAMENTAL FREQUENCY WITH A HIGH DEGREE OF ACCURACY. HARMONICS OF THIS FUNDAMENTAL ARE THEN USED AS A REFERENCE POINT FOR CHECKING THROUGHOUT THE RADIO SPECTRUM. THE STANDARD MAY BE STABLE CRYSTAL OSCILLATOR, NONCRYSTAL OSCILLATOR, TUNING FORK, ATOMIC BEAM, MOLECULAR BEAM, GAS CELL, QUANTUM MECHANICAL RESONATOR, OR THE LIKE.
CAGE Information
| Code | Company |
|---|---|
| 55761 | EFRATOM TIME & FREQUENCY PRODUCTS IN |
Federal Supply Class
Title
ELECTRICAL AND ELECTRONIC PROPER
Inclusions:
INCLUDES TEST LEADS AND TEST LEAD ATTACHMENTS; TEST INSTRUMENTS DESIGNED FOR COMMUNICATION EQUIPMENT; TEST INSTRUMENTS DESIGNED FOR USE WITH ELECTRONIC EQUIPMENT CLASSIFIED IN TWO OR MORE FSC GROUPS.
Exclusions:
EXCLUDES RADIAC EQUIPMENT
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| APQB | UNIT TYPE | PLUG-IN |
| AXGY | MOUNTING METHOD | TAPPED HOLE |
| NHCF | NUCLEAR HARDNESS CRITICAL FEATURE | HARDENED |
| ANLC | FREQUENCY BAND QUANTITY | 1 |
| ABKW | OVERALL HEIGHT | 3.250 INCHES NOMINAL |
| AGAV | END ITEM IDENTIFICATION | MILSTAR |
| ACZB | FREQUENCY RATING | NOT RATED |
| BHZL | RECORDING DEVICE ACCOMMODATION | NOT PROVIDED |
| ACYR | DC VOLTAGE RATING | 22.5 VOLTS MINIMUM AND 32.0 VOLTS MAXIMUM |
| ABFY | OVERALL DEPTH | 3.500 INCHES NOMINAL |
| ANLE | INDIVIDUAL CHANNEL FREQUENCY | 5.0 MEGAHERTZ NOMINAL |
| BHZG | INDIVIDUAL PLUG-IN UNIT FREQUENCY | 5.0 MEGAHERTZ |
| ABMK | OVERALL WIDTH | 3.250 INCHES NOMINAL |
| AFGQ | FREQUENCY RANGE RATING | +0.000/+5.000 MEGAHERTZ |
| ACYN | AC VOLTAGE RATING | NOT RATED |
| SUPP | SUPPLEMENTARY FEATURES | RUBIDIUM BASED WITH SELF TEST |
| ANLD | FREQUENCY CHANNEL QUANTITY | 1 |