| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-006-0512 (000060512) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Howe Machine And Tool Corp, Spiral Tool Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| A51G20552-11 | northrop grumman systems corporation | screw shoulder | 26512 | RFQ |
| A51G20552-11 | howe machine and tool corp | screw shoulder | 65777 | RFQ |
| A51G20552-11 | spiral tool corporation | screw shoulder | 02108 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.375 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 3.031 INCHES NOMINAL |
| AASK | HEAD STYLE | ROUND |
| AASL | HEAD DIAMETER | 0.500 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.135 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.2470 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 2.437 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| FEAT | SPECIAL FEATURES | OPTCIAL CENTER HOLE PER GC16A-1 BOTH ENDS |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5305-00-006-0512, 5305000060512 | ||||
| 5340-01-169-2963 (5340011692963) | 5310-01-158-6265 (5310011586265) | 5315-01-608-8364 (5315016088364) | 5330-01-510-3005 (5330015103005) | |
| 5365-01-446-8973 (5365014468973) | 5340-01-487-3594 (5340014873594) | 5340-01-557-7739 (5340015577739) | 5331-00-625-8831 (5331006258831) | |
| 5306-01-648-2938 (5306016482938) | 5307-01-106-3946 (5307011063946) | 5305-00-050-9241 (5305000509241) | 5360-01-598-3689 (5360015983689) | |
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