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) | 00-807-6429 (008076429) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Carey Manufacturing Company Inc, New Haven Mfg Corp, Raytheon Company, Roller Bearing Company Of America, Allied Devices Corp, Unicorp Systems Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| GS550A08-4 | northrop grumman systems corporation | screw shoulder | RFQ |
| 411200-3 | carey manufacturing company inc | screw shoulder | RFQ |
| 7458-SS-0832-7 | new haven mfg corp | screw shoulder | RFQ |
| 411200-3 | raytheon company | screw shoulder | RFQ |
| 7458-SS-0832 | new haven mfg corp | screw shoulder | RFQ |
| 7458-SS-0832-7 | carey manufacturing company inc | screw shoulder | RFQ |
| 411200-3 | roller bearing company of america | screw shoulder | RFQ |
| 43D17 | allied devices corp | screw shoulder | RFQ |
| SCS-312-14 | unicorp systems inc | screw shoulder | RFQ |
| 7458-SS-0832 | carey manufacturing company inc | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AASA | THREAD LENGTH | 0.152 INCHES MINIMUM AND 0.157 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.438 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.312 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.188 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.230 INCHES MINIMUM FIRST SHOULDER AND 0.244 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| CQFM | HARDNESS RATING | 75.0 ROCKWELL B MINIMUM OVERALL AND 83.0 ROCKWELL B MAXIMUM OVERALL |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASU | HEAD HEIGHT | 0.156 INCHES NOMINAL |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| FEAT | SPECIAL FEATURES | LTOP OF HEAD CHAMFERED1/32 IN. BY 45 DEGREE,UNDERCUT 0.006 IN. MIN 0.021 IN. MAX W BY 0.005 IN. DEEP BETWEEN SHOULDER AND BEARING SURFACE OF HEAD,UNDERCUT 0.030 IN. MIN 0.035 IN. MAX W BETWEEN SHOULDER AND THREAD |
| MATT | MATERIAL | STEEL COMP 303 OVERALL OR STEEL COMP 303SE OVERALL |
| Relevant Components for NSN - 5305-00-807-6429, 5305008076429 | ||||
| 5320-01-311-2514 (5320013112514) | 5365-01-606-7886 (5365016067886) | 5310-01-687-5946 (5310016875946) | 5331-01-345-2325 (5331013452325) | |
| 5331-01-137-6352 (5331011376352) | 5340-01-677-5187 (5340016775187) | 5310-01-215-1121 (5310012151121) | 5330-01-558-9303 (5330015589303) | |
| 5320-01-007-1870 (5320010071870) | 5365-00-542-0989 (5365005420989) | 5305-01-279-0723 (5305012790723) | 5315-01-181-8363 (5315011818363) | |
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