AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-539-5342 (005395342) |
| NCB Code | USA (00) |
| Manufacturer | Hi Shear Corporation, Alcoa Global Fasteners Inc, Houston Precision Fastener L L C, Reid Products Inc, Satair Usa Inc, Alcoa Fastening Systems Ltd, Deutsch Co The, Heartland Precision Fasteners In, Boeing Company The, Sps Technologies Inc, Huck International Inc, West Coast Aerospace Inc, Lisi Aerospace Canada Corp, Valley Todeco Inc, Fastener Innovation Technology Inc, Nimikkeistokeskus Ncb Finland |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| HT4025L4-12 | hi shear corporation | screw close tolerance | RFQ |
| ST3M454-4L12 | alcoa global fasteners inc | screw close tolerance | RFQ |
| ST3M454-4L12 | houston precision fastener l l c | screw close tolerance | RFQ |
| 11905-4L12 | reid products inc | screw close tolerance | RFQ |
| HT4025L4-4L12 | satair usa inc | screw close tolerance | RFQ |
| HT4025L4-12 | alcoa fastening systems ltd | screw close tolerance | RFQ |
| CHT4025-4-12 | alcoa global fasteners inc | screw close tolerance | RFQ |
| CHT4025-4-12 | deutsch co the | screw close tolerance | RFQ |
| ST3M454-4L12 | heartland precision fasteners in | screw close tolerance | RFQ |
| ST3M454-4L12 | boeing company the | screw close tolerance | RFQ |
| HT4025L4-12 | sps technologies inc | screw close tolerance | RFQ |
| CHT4025-4-12 | sps technologies inc | screw close tolerance | RFQ |
| HT4025L4-12 | huck international inc | screw close tolerance | RFQ |
| WC4025L-4-12 | west coast aerospace inc | screw close tolerance | RFQ |
| HT4025L4-12 | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4025L4-12 | lisi aerospace canada corp | screw close tolerance | RFQ |
| ST3M454-4L12 | valley todeco inc | screw close tolerance | RFQ |
| ST3M454-4L12 | fastener innovation technology inc | screw close tolerance | RFQ |
| 10125365 | nimikkeistokeskus ncb finland | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.469 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.204 INCHES MINIMUM AND 1.234 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-00-539-5342, 5305005395342 | ||||
| 5305-01-642-0405 (5305016420405) | 5340-01-469-1045 (5340014691045) | 5315-01-562-5736 (5315015625736) | 5315-01-575-7397 (5315015757397) | |
| 5310-00-347-0214 (5310003470214) | 5320-01-073-2961 (5320010732961) | 5342-01-117-9590 (5342011179590) | 5355-00-201-5369 (5355002015369) | |
| 5305-01-321-3806 (5305013213806) | 5330-00-256-6918 (5330002566918) | 5365-01-625-0045 (5365016250045) | 5310-01-593-4780 (5310015934780) | |
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