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) | 00-633-0830 (006330830) |
| NCB Code | USA (00) |
| Manufacturer | Bell Helicopter Textron Inc, Textron Systems Corporation, Lockheed Martin Corporation, Ruag Aerospace Services Gmbh |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 204-001-808-3 | bell helicopter textron inc | screw shoulder | RFQ |
| 204-001-808-3 | textron systems corporation | screw shoulder | RFQ |
| 204-001-808-3 | lockheed martin corporation | screw shoulder | RFQ |
| 204-001-808-3 | ruag aerospace services gmbh | screw shoulder | RFQ |
| 204-001-808-003 | bell helicopter textron inc | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.402 INCHES MINIMUM AND 0.407 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 3.440 INCHES MINIMUM |
| AASK | HEAD STYLE | ROUND |
| AASL | HEAD DIAMETER | 0.625 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.180 INCHES MINIMUM AND 0.210 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.3738 INCHES MINIMUM FIRST SHOULDER AND 0.3742 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 3.033 INCHES MINIMUM FIRST SHOULDER AND 3.038 INCHES MAXIMUM FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.075 INCHES MINIMUM FIRST HOLE AND 0.080 INCHES MAXIMUM FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| CRTL | CRITICALITY CODE JUSTIFICATION | AATN |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.492 INCHES MINIMUM FIRST HOLE AND 1.502 INCHES MAXIMUM FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626,COND C-4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-633-0830, 5305006330830 | ||||
| 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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