AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-151-9490 (001519490) |
| NCB Code | USA (00) |
| Manufacturer | Level One Fasteners, Apex Manufacturing Company Inc, Apollo Aerospace Components Llc, Shur Kut Supply Corporation, Bmf Corp, Metrican Inc, Airtronics International Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 509441-66 | level one fasteners | screw cap socket head | RFQ |
| 509441-66 | apex manufacturing company inc | screw cap socket head | RFQ |
| 509441-66 | apollo aerospace components llc | screw cap socket head | RFQ |
| 509441-66 | shur kut supply corporation | screw cap socket head | RFQ |
| 509441-66 | bmf corp | screw cap socket head | RFQ |
| 509441-66 | metrican inc | screw cap socket head | RFQ |
| 509441-66 | airtronics international corp | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.625 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.750 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.563 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.375 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.312 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES OVERALL |
| FEAT | SPECIAL FEATURES | ITEM IS A NON-AVIATION CRITICAL SAFETY ITEM (CSI) WHOSE FAILURE WILL RESULT IN SERIOUS DAMAGE TO EQUIPMENT OR SERIOUS INJURY OR DEATH TO PERSONNEL. |
| MATT | MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| TEST | TEST DATA DOCUMENT | 81349-MILI6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIMILAR TRADE PUBLICATIONS,REFLECTING |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-151-9490, 5305001519490 | ||||
| 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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