AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-209-7944 (012097944) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Lisi Aerospace Canada Corp, Sps Technologies Inc, Huck International Inc, Alcoa Global Fasteners Inc, Hi Shear Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M850V3-4D | boeing company the | screw shoulder | RFQ |
| HT4059V3-4 | lisi aerospace canada corp | screw shoulder | RFQ |
| ST3M850V3-4D | sps technologies inc | screw shoulder | RFQ |
| ST3M850V3-4D | huck international inc | screw shoulder | RFQ |
| HT4059V3-4 | alcoa global fasteners inc | screw shoulder | RFQ |
| HT4059V3-4 | sps technologies inc | screw shoulder | RFQ |
| HT4059V3-4 | huck international inc | screw shoulder | RFQ |
| HT4059V3-4 | hi shear corporation | screw shoulder | RFQ |
| ST3M850V3-4 | boeing company the | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AASL | HEAD DIAMETER | 0.376 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.039 INCHES MINIMUM AND 0.041 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.199 INCHES MINIMUM AND 0.221 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | TITANIUM ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS4967,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-209-7944, 5305012097944 | ||||
| 5340-01-131-8536 (5340011318536) | 5306-01-438-9363 (5306014389363) | 5306-00-839-1951 (5306008391951) | 5330-00-854-3797 (5330008543797) | |
| 5330-99-729-7553 (5330997297553) | 5306-01-710-7805 (5306017107805) | 5310-01-125-4124 (5310011254124) | 5315-01-514-6048 (5315015146048) | |
| 5306-00-009-5138 (5306000095138) | 5340-01-575-9010 (5340015759010) | 5305-00-130-4358 (5305001304358) | 5310-01-513-5337 (5310015135337) | |
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