| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-048-1139 (010481139) |
| NCB Code | USA (01) |
| Manufacturer | Twist Tite Mfg Inc, Huck International Inc, Lisi Aerospace Canada Corp, Sps Technologies Inc, Boeing Company The, Fastener Innovation Technology Inc, Hi Shear Corporation, Alcoa Global Fasteners Inc, West Coast Aerospace Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST3M506-8-9 | twist tite mfg inc | screw shoulder | 007r1 | RFQ |
| HT4011-8-9 | huck international inc | screw shoulder | 97928 | RFQ |
| HT4011-8-9 | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| HT4011-8-9 | sps technologies inc | screw shoulder | 80539 | RFQ |
| ST3M506-8-9 | boeing company the | screw shoulder | 76301 | RFQ |
| STM3M506-8-9 | fastener innovation technology inc | screw shoulder | 58998 | RFQ |
| HT4011-8-9 | hi shear corporation | screw shoulder | 73197 | RFQ |
| ST3M506-8-9 | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| ST3M506-8-9 | huck international inc | screw shoulder | 17446 | RFQ |
| HT4011-8-9 | west coast aerospace inc | screw shoulder | 60516 | RFQ |
| HT4011-8-9 | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.623 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.195 INCHES MINIMUM AND 1.242 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.720 INCHES MINIMUM AND 0.787 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.531 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.443 INCHES MINIMUM FIRST SHOULDER AND 0.463 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-048-1139, 5305010481139 | ||||
| 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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