AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-274-3139 (002743139) |
| NCB Code | USA (00) |
| Manufacturer | Navair And Navsea Managed, Lockheed Martin Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.250 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.641 INCHES MINIMUM AND 0.671 INCHES MAXIMUM |
| AASK | HEAD STYLE | FILLISTER |
| AASL | HEAD DIAMETER | 0.140 INCHES MINIMUM AND 0.171 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.046 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.103 INCHES MINIMUM FIRST SHOULDER AND 0.104 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.328 INCHES MINIMUM FIRST SHOULDER AND 0.359 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.086 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 64 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 1115 OVERALL OR STEEL COMP 1117 OVERALL OR STEEL COMP 1120 OVERALL OR STEEL COMP 1211 OVERALL OR STEEL COMP 1212 OVERALL OR STEEL COMP 1213 OVERALL OR STEEL COMP 1018 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-274-3139, 5305002743139 | ||||
| 5365-01-101-3819 (5365011013819) | 5305-01-006-9246 (5305010069246) | 5310-00-639-2818 (5310006392818) | 5310-01-332-9051 (5310013329051) | |
| 5330-01-399-2381 (5330013992381) | 5340-01-496-5144 (5340014965144) | 5342-00-326-6390 (5342003266390) | 5305-01-361-1154 (5305013611154) | |
| 5305-01-516-4729 (5305015164729) | 5330-15-007-8953 (5330150078953) | 5340-01-078-1350 (5340010781350) | 5310-01-471-5429 (5310014715429) | |
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