| Mfg. Part # | Mfg. Name | CAGE | RNCC | RNVC | ISC | MSDS | SADC | DAC | HCC |
|---|---|---|---|---|---|---|---|---|---|
| AN531-4R4 | AERONAUTICAL STANDARDS GROUP | 88044 | 2 | 2 | 3 |
| MRC | Requirement Statement | Characteristics |
|---|---|---|
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| AASB | FASTENER LENGTH | 0.250 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.216 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-685 COND N FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.112 INCHES |
| CRGF | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
