| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-051-0108 (010510108) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, National Aerospace Standards Com, Sps Technologies Inc, Huck International Inc, Fastener Innovation Technology Inc, West Coast Aerospace Inc, Lisi Aerospace Canada Corp, Hi Shear Corporation, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| ST3M505-4-12 | boeing company the | screw shoulder | 76301 | RFQ |
| HT4009-4-12 | national aerospace standards com | screw shoulder | 80205 | RFQ |
| HT4009-4-12 | sps technologies inc | screw shoulder | 80539 | RFQ |
| HT4009-4-12 | huck international inc | screw shoulder | 97928 | RFQ |
| ST3M505-4-12 | fastener innovation technology inc | screw shoulder | 58998 | RFQ |
| WC4009-4-12 | west coast aerospace inc | screw shoulder | 60516 | RFQ |
| HT4009-4-12 | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| HT4009-4-12 | hi shear corporation | screw shoulder | 73197 | RFQ |
| HT4009-4-12 | alcoa global fasteners inc | screw shoulder | 92215 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.372 INCHES MINIMUM AND 0.422 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.507 INCHES MINIMUM AND 1.537 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2802 INCHES MINIMUM FIRST SHOULDER AND 0.2807 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.645 INCHES MINIMUM FIRST SHOULDER AND 0.665 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 | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | SOCKET DRIVE RECESS IN THREAD END 0.0947 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 - 5305-01-051-0108, 5305010510108 | ||||
| 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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