| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-978-9371 (009789371) |
| NCB Code | USA (00) |
| Manufacturer | National Aerospace Standards Com, Tokyo Keiki Inc, Eca Etablissement Central Des, Defense Reduction Agency, Edo Corporation, Tokyo Keiki Seizosho Co, Edo Ail Systems Inc, Wesco Aircraft Hardware Corp, Picatinny Arsenal, Military Standards Corp, H K Fittings Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| NAS608-832-10P | national aerospace standards com | screw cap socket head | RFQ |
| 8661260-1-2 | tokyo keiki inc | screw cap socket head | RFQ |
| 5305009789371 | eca etablissement central des | screw cap socket head | RFQ |
| 872771-00 | defense reduction agency | screw cap socket head | RFQ |
| MSH08C20SC | edo corporation | screw cap socket head | RFQ |
| 8661260-1-2 | tokyo keiki seizosho co | screw cap socket head | RFQ |
| MSH08C20SC | edo ail systems inc | screw cap socket head | RFQ |
| MS16997-33 | wesco aircraft hardware corp | screw cap socket head | RFQ |
| 872771 | picatinny arsenal | screw cap socket head | RFQ |
| MS16997-33 | military standards corp | screw cap socket head | RFQ |
| 8-32X5-8FLATSCH | h k fittings inc | screw cap socket head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.532 INCHES MINIMUM AND 0.594 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| ASDB | WIDTH ACROSS FLATS | 0.140 INCHES MINIMUM AND 0.142 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-978-9371, 5305009789371 | ||||
| 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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