| MRC | Criteria | Characteristic |
|---|
| AASB | FASTENER LENGTH | 0.323 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE-LESS THAN 135 DEG W OR W/O CHAMFER) |
| AAZE | SHANK DIAMETER | 0.124 INCHES MINIMUM AND 0.128 INCHES MAXIMUM |
| AAZF | SHANK STYLE | SELF-PLUGGING MECHANICALLY LOCKED STEM |
| AAZG | HEAD MAJOR DIAMETER | 0.221 INCHES MINIMUM AND 0.229 INCHES MAXIMUM |
| ABAF | EXPANSION DEVICE | SERRATED STEM-TYPE W |
| ANEE | GRIP LENGTH | 0.126 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| CQSX | SHEAR STRENGTH | 1020 SINGLE POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM |
| MATT | MATERIAL | IRON ALLOY 660 LOCKING RING OR NICKEL ALLOY 400 LOCKING RING OR NICKEL ALLOY R-405 LOCKING RING |
| MATT | MATERIAL | IRON ALLOY 660 STEM |
| MATT | MATERIAL | NICKEL ALLOY 400 SLEEVE OR NICKEL ALLOY R-405 SLEEVE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD 1ST MATERIAL RESPONSE LOCKING RING OR QQ-N-281 FED SPEC 2ND MATERIAL RESPONSE LOCKING RING OR QQ-N-281 FED SPEC 3RD MATERIAL RESPONSE LOCKING RING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281 FED SPEC ALL MATERIAL RESPONSES SLEEVE |
| SFTT | SURFACE TREATMENT | CADMIUM SLEEVE AND CHROMATE SLEEVE OR ALUMINUM ALLOY SLEEVE |
| SFTT | SURFACE TREATMENT | PASSIVATE LOCKING RING |
| SFTT | SURFACE TREATMENT | PASSIVATE STEM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STEM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FOR A286 CRES ONLY FED SPEC SINGLE TREATMENT RESPONSE LOCKING RING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE SLEEVE OR NAS 4006 ASSN STD 2ND TREATMENT RESPONSE SLEEVE |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1921 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
