| MRC | Criteria | Characteristic |
|---|
| AAQL | BODY STYLE | PLAIN |
| AASL | HEAD DIAMETER | 1.312 INCHES NOMINAL |
| AASY | DISTANCE FROM CENTERLINE TO FLAT | 0.563 INCHES NOMINAL |
| AAWX | CONCENTRIC HOLE DEPTH | 0.375 INCHES NOMINAL |
| AAXC | CONCENTRIC HOLE DIAMETER | 0.250 INCHES NOMINAL |
| ABHP | OVERALL LENGTH | 3.500 INCHES NOMINAL |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL TUBE |
| ACKN | FIRST END STYLE DESIGNATOR | HIGH PRESSURE FLARE |
| ACLK | FIRST END THREAD CLASS | 3B |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| ACLT | SECOND END STYLE DESIGNATOR | INVERTED FLARE |
| ACMR | SECOND END THREAD CLASS | 3A |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| ATKZ | FIRST END THREAD LENGTH | 0.109 INCHES NOMINAL |
| ATLF | SECOND END THREAD LENGTH | 0.700 INCHES NOMINAL |
| BBDF | WRENCHING FEATURE STYLE | ROUND WITH WRENCH FLATS |
| BBKL | FIRST DIAMETER FROM WRENCHING FEATURE | 0.970 INCHES NOMINAL |
| BBKR | LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER | 2.365 INCHES NOMINAL |
| BBKY | FIRST RADIAL FLUID HOLE DIAMETER | 0.093 INCHES NOMINAL |
| BBKZ | SECOND RADIAL FLUID HOLE DIAMETER | 0.093 INCHES NOMINAL |
| BBLB | DISTANCE FROM FIRST RADIAL HOLE CENTER TO END OF BOLT | 2.725 INCHES NOMINAL |
| BBLC | DISTANCE FROM SECOND RADIAL HOLE CENTER TO END OF BOLT | 1.450 INCHES NOMINAL |
| BBLD | LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO BOLT END | 3.300 INCHES NOMINAL |
| BBLF | WRENCHING FEATURE HEIGHT | 0.200 INCHES NOMINAL |
| CQMM | FIRST END THREAD SERIES DESIGNATOR | UNJF |
| CQPR | FIRST END SEAT ANGLE | 60.0 DEGREES NOMINAL |
| CQYM | FIRST END NOMINAL THREAD SIZE | 0.250 INCHES |
| CRCN | SECOND END SEAT ANGLE | 60.0 DEGREES NOMINAL |
| CRNB | SECOND END NOMINAL THREAD SIZE | 0.750 INCHES |
| CRPF | SECOND END THREAD SERIES DESIGNATOR | UNJF |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| FEAT | SPECIAL FEATURES | NSN IS A CRITICAL SAFETY ITEM (CSI) |
| MATT | MATERIAL | STEEL CORROSION RESISTING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-8844,CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMIUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS131 MFR REF 1ST TREATMENT RESPONSE AND PS101-7 MFR REF 1ST TREATMENT RESPONSE OR PS923 MFR REF 1ST TREATMENT RESPONSE |
