| Mfg. Part # | Mfg. Name | CAGE | RNCC | RNVC | ISC | MSDS | SADC | DAC | HCC |
|---|---|---|---|---|---|---|---|---|---|
| 0.31218UNC2A3.250TIG500 | AMERICAN NATIONAL STANDARDS | 80204 | 3 | 1 | 5 | ||||
| MIL-DTL-1222J | AMERICAN NATIONAL STANDARDS | 81349 | 4 | 1 | 5 | ||||
| QQN286 5/16-18UNC-2AX3.250 | AMERICAN NATIONAL STANDARDS | 80204 | C | 1 | 5 | AC | |||
| 0.31218UNC2A3.2 50T1G500SEA | AMERICAN NATIONAL STANDARDS | D9182 | C | 1 | 5 | AC | |||
| 0.31218UNC2A3.2 50TIG500SE | AMERICAN NATIONAL STANDARDS | D9182 | C | 1 | 5 | AC | |||
| MIL-S-1222 TY1 | AMERICAN NATIONAL STANDARDS | 81349 | 5 | 9 | 5 |
| MRC | Requirement Statement | Characteristics |
|---|---|---|
| AASB | FASTENER LENGTH | 3.250 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| MATT | MATERIAL | NICKEL ALLOY K-500 OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.312 INCHES |
| AATB | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AAJD | THREAD CLASS | 2A |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
