| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-728-1420 (007281420) |
| NCB Code | USA (00) |
| Manufacturer | The Boeing Company, Sps Technologies Ltd, Hi Shear Corporation, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 3M400-3-8-8 | the boeing company | screw shoulder | RFQ |
| 3M400-3-6 | sps technologies ltd | screw shoulder | RFQ |
| 3M400-3-6 | hi shear corporation | screw shoulder | RFQ |
| 3M400-3-6 | alcoa global fasteners inc | screw shoulder | RFQ |
| 3M400-3-7-6 | the boeing company | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.406 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.550 INCHES MINIMUM AND 0.607 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.271 INCHES MINIMUM FIRST SHOULDER AND 0.291 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.080 INCHES MINIMUM FIRST SHOULDER AND 0.090 INCHES MAXIMUM FIRST SHOULDER |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | NICKEL ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5754 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| Relevant Components for NSN - 5305-00-728-1420, 5305007281420 | ||||
| 5365-99-998-9980 (5365999989980) | 5365-99-998-9265 (5365999989265) | 5365-99-997-1598 (5365999971598) | 5365-99-996-9236 (5365999969236) | |
| 5365-99-994-0353 (5365999940353) | 5365-99-994-0176 (5365999940176) | 5365-99-992-1527 (5365999921527) | 5365-99-990-8469 (5365999908469) | |
| 5365-99-989-0900 (5365999890900) | 5365-99-987-5556 (5365999875556) | 5365-99-983-0520 (5365999830520) | 5365-99-979-8712 (5365999798712) | |
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