| MRC | Criteria | Characteristic |
|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 1.315 INCHES NOMINAL |
| AASK | HEAD STYLE | KNURLED NO. 5 |
| AASL | HEAD DIAMETER | 0.531 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.600 INCHES NOMINAL |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AGSM | MATERIAL ACCOMMODATED THICKNESS | 0.156 INCHES MINIMUM AND 0.217 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.188 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| MATT | MATERIAL | ALUMINUM ALLOY 6061 HEAD |
| MATT | MATERIAL | ALUMINUM ALLOY 6061 STAND-OFF |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
| MATT | MATERIAL | STEEL COMP 301 PRIMARY WASHER |
| MATT | MATERIAL | STEEL COMP 302 FASTENER |
| MATT | MATERIAL | STEEL COMP 302 SPRING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER OR AMS 5636 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-18240 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S05059 MIL SPEC SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE HEAD |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-W-423, COND B FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| SFTT | SURFACE TREATMENT | ANODIZE HEAD |
| SFTT | SURFACE TREATMENT | ANODIZE STAND-OFF |
| SFTT | SURFACE TREATMENT | PASSIVATE FASTENER |
| SFTT | SURFACE TREATMENT | PASSIVATE PRIMARY WASHER |
| SFTT | SURFACE TREATMENT | PASSIVATE SPRING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE HEAD |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625, TYPE 1, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| THSD | THREAD SERIES DESIGNATOR | UNF |