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) | 01-050-4307 (010504307) |
| NCB Code | USA (01) |
| Manufacturer | Hi Shear Corporation, Boeing Company The, Alcoa Global Fasteners Inc, Huck International Inc, Fastener Innovation Technology Inc, Sps Technologies Inc, West Coast Aerospace Inc, Lisi Aerospace Canada Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M496-3-17 | hi shear corporation | screw shoulder | RFQ |
| ST3M496-3-17 | boeing company the | screw shoulder | RFQ |
| ST3M496-3-17 | alcoa global fasteners inc | screw shoulder | RFQ |
| HT4008-3-17 | hi shear corporation | screw shoulder | RFQ |
| ST3M496-3-17 | huck international inc | screw shoulder | RFQ |
| HT4008-3-17 | alcoa global fasteners inc | screw shoulder | RFQ |
| ST3M496-3-17 | fastener innovation technology inc | screw shoulder | RFQ |
| HT4008-3-17 | sps technologies inc | screw shoulder | RFQ |
| ST3M496-3-17 | sps technologies inc | screw shoulder | RFQ |
| ST3M496-3-17 | west coast aerospace inc | screw shoulder | RFQ |
| WC4008-3-17 | west coast aerospace inc | screw shoulder | RFQ |
| ST3M496-3-17 | lisi aerospace canada corp | screw shoulder | RFQ |
| HT4008-3-17 | huck international inc | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.306 INCHES MINIMUM AND 0.356 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.378 INCHES MINIMUM AND 1.408 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.338 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2021 INCHES MINIMUM FIRST SHOULDER AND 0.2026 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.979 INCHES MINIMUM FIRST SHOULDER AND 0.999 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 | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | SOCKET DRIVE RECESS IN THREAD END 0.0791 IN. MIN AND 0.0967 IN. MAX WIDTH ACROSS FLATS |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-050-4307, 5305010504307 | ||||
| 5331-01-657-5231 (5331016575231) | 5330-01-205-4045 (5330012054045) | 5315-01-471-7425 (5315014717425) | 5340-01-529-8563 (5340015298563) | |
| 5365-01-410-8416 (5365014108416) | 5310-00-021-9774 (5310000219774) | 5330-01-647-7489 (5330016477489) | 5310-01-197-3340 (5310011973340) | |
| 5365-00-958-7449 (5365009587449) | 5340-01-481-5050 (5340014815050) | 5310-00-619-4502 (5310006194502) | 5340-00-293-6497 (5340002936497) | |
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