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) | 00-068-9203 (000689203) |
| NCB Code | USA (00) |
| Manufacturer | Carey Manufacturing Company Inc, Northrop Grumman Systems Corporation, Roller Bearing Company Of America, Raytheon Company, W M Berg Inc, Ellisco Inc, Carr Lane Manufacturing Company, Leonardo Mw Ltd |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| GS550H08-5 | carey manufacturing company inc | screw shoulder | RFQ |
| GS550H08-S | northrop grumman systems corporation | screw shoulder | RFQ |
| GS550AH-5 | northrop grumman systems corporation | screw shoulder | RFQ |
| 4318 | roller bearing company of america | screw shoulder | RFQ |
| 720211-9 | raytheon company | screw shoulder | RFQ |
| GS550H08-5 | northrop grumman systems corporation | screw shoulder | RFQ |
| GS550H08-5 | w m berg inc | screw shoulder | RFQ |
| GS550H08-5 | ellisco inc | screw shoulder | RFQ |
| CL-43-SHS | carr lane manufacturing company | screw shoulder | RFQ |
| 411200-4 | leonardo mw ltd | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.156 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 5.000 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.312 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.156 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.188 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.281 INCHES NOMINAL FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | 100000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 75.0 ROCKWELL B MINIMUM OVERALL AND 83.0 ROCKWELL B MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 303 OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-068-9203, 5305000689203 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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