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) | 00-347-8355 (003478355) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Global Fasteners Inc, Satair Usa Inc, Alcoa Fastening Systems Ltd, Sps Technologies Inc, Boeing Company The, Hi Shear Corporation, Defense Support Services Inc, Huck International Inc, Lisi Aerospace Canada Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| HT409A4-10 | alcoa global fasteners inc | screw shoulder | RFQ |
| HT41UA10 | satair usa inc | screw shoulder | RFQ |
| HT41UA10 | alcoa fastening systems ltd | screw shoulder | RFQ |
| 54267-4-10 | sps technologies inc | screw shoulder | RFQ |
| HT409A4-10 | alcoa fastening systems ltd | screw shoulder | RFQ |
| 3M50-4-10 | boeing company the | screw shoulder | RFQ |
| 3M50-4-10 | sps technologies inc | screw shoulder | RFQ |
| HT41UA-10 | hi shear corporation | screw shoulder | RFQ |
| HT41UA10 | defense support services inc | screw shoulder | RFQ |
| HTS501-4-10 | huck international inc | screw shoulder | RFQ |
| HT41UA-10 | lisi aerospace canada corp | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.078 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AASL | HEAD DIAMETER | 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.264 INCHES MINIMUM FIRST SHOULDER AND 0.265 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.548 INCHES MINIMUM FIRST SHOULDER AND 0.570 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | FURNISHED WITH ONE O-RING |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 3-52 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 3-52 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-347-8355, 5305003478355 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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