| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-073-0954 (010730954) |
| NCB Code | USA (01) |
| Manufacturer | Hi Shear Corporation, Huck International Inc, Lisi Aerospace Canada Corp, Sps Technologies Inc, Alcoa Global Fasteners Inc, Boeing Company The, Fastener Innovation Technology Inc, West Coast Aerospace Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| HT4008-4-8 | hi shear corporation | screw shoulder | 73197 | RFQ |
| HT4008-4-8 | huck international inc | screw shoulder | 97928 | RFQ |
| HT4008-4-8 | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| HT4008-4-8 | sps technologies inc | screw shoulder | 80539 | RFQ |
| HT4008-4-8 | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| ST3M496-4-8 | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| ST3M496-4-8 | boeing company the | screw shoulder | 76301 | RFQ |
| ST3M496-4-8 | fastener innovation technology inc | screw shoulder | 58998 | RFQ |
| WC4008-4-8 | west coast aerospace inc | screw shoulder | 60516 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.881 INCHES MINIMUM AND 0.928 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2646 INCHES MINIMUM FIRST SHOULDER AND 0.2651 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.401 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | SOCKET DRIVE RECESS IN THREAD END 0.095 IN. MIN. AND 0.097 IN MAX. WIDTH ACROSS FLATS |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 23-112,FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5305-01-073-0954, 5305010730954 | ||||
| 5330-01-334-7310 (5330013347310) | 5365-00-969-6150 (5365009696150) | 5310-01-669-3902 (5310016693902) | 5340-01-413-2057 (5340014132057) | |
| 5325-00-364-9598 (5325003649598) | 5360-00-567-5070 (5360005675070) | 5340-01-491-4788 (5340014914788) | 5340-01-026-3025 (5340010263025) | |
| 5365-01-155-7183 (5365011557183) | 5355-00-492-8457 (5355004928457) | 5365-00-145-1236 (5365001451236) | 5307-00-245-8721 (5307002458721) | |
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