| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-242-5970 (012425970) |
| NCB Code | USA (01) |
| Manufacturer | Twist Tite Mfg Inc, Sps Technologies Inc, Hi Shear Corporation, Lisi Aerospace Canada Corp, Fastener Innovation Technology Inc, West Coast Aerospace Inc, Huck International Inc, Alcoa Global Fasteners Inc, Boeing Company The |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST3M506-8-12 | twist tite mfg inc | screw shoulder | 007r1 | RFQ |
| HT4011-8-12 | sps technologies inc | screw shoulder | 80539 | RFQ |
| HT4011-8-12 | hi shear corporation | screw shoulder | 73197 | RFQ |
| HT4011-8-12 | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| ST3M506-8-12 | fastener innovation technology inc | screw shoulder | 58998 | RFQ |
| WC4011-8-12 | west coast aerospace inc | screw shoulder | 60516 | RFQ |
| HT4011-8-12 | huck international inc | screw shoulder | 17446 | RFQ |
| HT4011-8-12 | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| ST3M506-8-12 | boeing company the | screw shoulder | 76301 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.624 INCHES MINIMUM AND 0.674 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.384 INCHES MINIMUM AND 1.414 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.720 INCHES MINIMUM AND 0.787 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.5302 INCHES MINIMUM FIRST SHOULDER AND 0.5307 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.740 INCHES MINIMUM FIRST SHOULDER AND 0.760 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| 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 - 5305-01-242-5970, 5305012425970 | ||||
| 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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