| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-600-8993 (006008993) |
| NCB Code | USA (00) |
| Manufacturer | Eca Etablissement Central Des, Nimikkeistokeskus Ncb Finland, Navair And Navsea Managed, Manroy Engineering Ltd, Samsun Yurt Savunma Sanayi Ve, Inspektorat Wsparcia Sil Zbrojnych, Giat Industries, Fn Herstal Sa, Springfield Armory, Army United States Department Of The |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 5305006008993 | eca etablissement central des | screw shoulder | RFQ |
| 10093007 | nimikkeistokeskus ncb finland | screw shoulder | RFQ |
| 181608 | navair and navsea managed | screw shoulder | RFQ |
| A20547 | manroy engineering ltd | screw shoulder | RFQ |
| 201050005 | samsun yurt savunma sanayi ve | screw shoulder | RFQ |
| 5305PL0818992 | inspektorat wsparcia sil zbrojnych | screw shoulder | RFQ |
| A10302 | manroy engineering ltd | screw shoulder | RFQ |
| 75F6134 | giat industries | screw shoulder | RFQ |
| 3662004594 | fn herstal sa | screw shoulder | RFQ |
| 6008993 | springfield armory | screw shoulder | RFQ |
| 1005006008993 | eca etablissement central des | screw shoulder | RFQ |
| 53056008993 | eca etablissement central des | screw shoulder | RFQ |
| 6008993 | army united states department of the | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.327 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.660 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.333 INCHES MINIMUM AND 0.368 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.077 INCHES MINIMUM AND 0.087 INCHES MAXIMUM FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.125 INCHES NOMINAL FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | ROOVE 0.083 IN. LG 0.369 IN. DIA. AND SLOT IN THD END |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| SFTT | SURFACE TREATMENT | PHOSPHATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-600-8993, 5305006008993 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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