| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | ALUMINUM ALLOY CHANNEL |
| STEEL NUT |
| SURFACE TREATMENT | ANODIZE CHANNEL |
| CADMIUM NUT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TY 1 MIL SPEC SINGLE TREATMENT RESPONSE OR |
| MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL |
| QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE NUT |
| NUT STYLE | GANG CHANNEL, SELF LOCKING |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| CHANNEL STYLE | STRAIGHT TYPE |
| OVERALL LENGTH | 2.562 INCHES NOMINAL |
| OVERALL WIDTH | 0.516 INCHES MAXIMUM |
| ASSEMBLY OVERALL HEIGHT | 0.281 INCHES MAXIMUM |
| CHANNEL HEIGHT | 0.281 INCHES MAXIMUM |
| NUT SPACING | 0.865 INCHES MINIMUM AND |
| 0.885 INCHES MAXIMUM |
| NUT QUANTITY | 3 |
| NUT COUNTERBORE DEPTH | 0.017 INCHES MINIMUM NUT |
| COUNTERBORE DIAMETER | 0.254 INCHES MINIMUM NUT |
| LUBRICATION | DRY FILM LUBRICANT |
| TEMP RATING | 250.0 DEG FAHRENHEIT NOMINAL |
| FEATURES PROVIDED | FLOATING NUT |
| SPECIFICATION/STANDARD DATA | 80205-NAS690 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| DEPARTURE FROM CITED DOCUMENT | AS MODIFIED BY REVISION 8 |