| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-144-4761 (011444761) |
| NCB Code | USA (01) |
| Manufacturer | West Coast Aerospace Inc, Hi Shear Corporation, Alcoa Global Fasteners Inc, Huck International Inc, Sps Technologies Inc, Lisi Aerospace Canada Corp, Atotech Usa Inc, Fastener Innovation Technology Inc, Boeing Company The, Houston Precision Fastener L L C |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| WC4011-3-20-1 | west coast aerospace inc | screw shoulder | 60516 | RFQ |
| HT4016-3-20Y | hi shear corporation | screw shoulder | 73197 | RFQ |
| HT4016-3-20Y | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| HT4016-3-204 | huck international inc | screw shoulder | 97928 | RFQ |
| ST3M506-3-20-1 | sps technologies inc | screw shoulder | 56878 | RFQ |
| HT4016-3-20Y | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| HT4016-3-20Y | huck international inc | screw shoulder | 97928 | RFQ |
| ST3M506-3-20-1 | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| ST3M506-3-20-1 | atotech usa inc | screw shoulder | 08514 | RFQ |
| ST3M506-3-20-1 | fastener innovation technology inc | screw shoulder | 58998 | RFQ |
| HT4016-3-20Y | sps technologies inc | screw shoulder | 80539 | RFQ |
| ST3M506-3-20-1 | boeing company the | screw shoulder | 76301 | RFQ |
| ST3M506-3-20-1 | houston precision fastener l l c | screw shoulder | 1vsl7 | 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 | 1.566 INCHES MINIMUM AND 1.596 INCHES MAXIMUM |
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.3275 INCHES MINIMUM AND 0.3325 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2177 INCHES MINIMUM FIRST SHOULDER AND 0.2182 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.190 INCHES MINIMUM FIRST SHOULDER AND 1.218 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 | INTERNAL HEXAGON SOCKET IN THREADED END 0.0791 IN. MIN AND 0.0806 IN. MAX WIDTH ACROSS FLATS |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-144-4761, 5305011444761 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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