| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-657-0179 (016570179) |
| NCB Code | USA (01) |
| Manufacturer | American National Standards, American Society Of Mechanical |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| AES20U500B50BB3A81 | american national standards | screw shoulder | 80204 | RFQ |
| B18.24A-2006 | american society of mechanical | screw shoulder | 05047 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | Head Style | FLAT CHAMFER |
| CMLP | Thread Quantity Per Inch | 13 |
| MATT | Material | STEEL UNS K03104 OVERALL |
| ABQZ | Internal Drive Style | HEXAGON |
| MRC | Decoded Requirement | Clear Text Reply |
| AAJF | Thread Direction | RIGHT-HAND |
| AHYM | Nominal Thread Diameter | 0.500 INCHES |
| AASL | Head Diameter | 0.729 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| CXCY | Part Name Assigned By Controlling Agency | SCREW SHOULDER HEX SOCKET HEAD |
| AASA | Thread Length | 0.625 INCHES NOMINAL |
| SFTT | Surface Treatment | ZINC AND CHROMATE OVERALL |
| THSD | Thread Series Designator | UNC |
| AASB | Fastener Length | 2.500 INCHES NOMINAL |
| AGAV | End Item Identification | 2350-01-577-0830 |
| AAJD | Thread Class | 3A |
| ASDB | Width Across Flats | 0.250 INCHES NOMINAL |
| AASU | Head Height | 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM |
| Components Related to NSN - 5305-01-657-0179, 5305016570179 | ||||
| 5365-01-353-6485 (5365013536485) | 5365-01-314-0869 (5365013140869) | 5365-01-538-9415 (5365015389415) | 5330-01-360-0946 (5330013600946) | |
| 5330-01-260-4708 (5330012604708) | 5342-01-109-4185 (5342011094185) | 5331-01-608-0793 (5331016080793) | 5305-00-298-4681 (5305002984681) | |
| 5315-00-514-0217 (5315005140217) | 5330-01-528-4162 (5330015284162) | 5310-01-312-3813 (5310013123813) | 5360-00-969-4423 (5360009694423) | |
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