| FASTENER LENGTH | 1.313 INCHES MINIMUM AND 1.437 INCHES MAXIMUM |
| HEAD DIAMETER | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| HEAD HEIGHT | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM |
| HEAD STYLE | KNURLED NO. 4 |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL ACCOMMODATED THICKNESS | 0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5514 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-5059 MIL SPEC 2ND MATERIAL RESPONSE STAND-OFF |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A580 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL | STEEL COMP 302 SPRING |
| MATERIAL | STEEL COMP 303 FASTENER |
| MATERIAL | STEEL COMP 305 OR STEEL COMP 302 STAND-OFF |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 28 |