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) | 00-802-1826 (008021826) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Global Fasteners Inc, Northrop Grumman Technical Services Inc, Northrop Grumman Systems Corporation, Hi Shear Corporation, Sps Technologies Inc, National Instruments Corporation, Lisi Aerospace Canada Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 51B221-10 | alcoa global fasteners inc | screw close tolerance | RFQ |
| 51B221-10 | northrop grumman technical services inc | screw close tolerance | RFQ |
| 51B221-10 | northrop grumman systems corporation | screw close tolerance | RFQ |
| 51B221-10 | hi shear corporation | screw close tolerance | RFQ |
| 51B221-10 | sps technologies inc | screw close tolerance | RFQ |
| 51B221-10 | national instruments corporation | screw close tolerance | RFQ |
| 51B221-10 | lisi aerospace canada corp | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.276 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.886 INCHES MINIMUM AND 0.933 INCHES MAXIMUM |
| AASK | HEAD STYLE | MODIFIED PAN |
| AASU | HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OVERALL OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 5TH MATE |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| AASL | HEAD DIAMETER | 0.361 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| ANEE | GRIP LENGTH | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 6150 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 8740 OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-802-1826, 5305008021826 | ||||
| 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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