| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-326-6674 (013266674) |
| NCB Code | USA (01) |
| Manufacturer | Federal Specifications, Military Standards Corp, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| FF-S-86 | federal specifications | screw cap socket head | 81348 | RFQ |
| MS24667-27L | military standards corp | screw cap socket head | 96906 | RFQ |
| MS24667-27L | national aerospace standards com | screw cap socket head | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAUM | LOCKING FEATURE | PATCH THREADS OR STRIP THREADS |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM FASTENER AND 45.0 ROCKWELL C MAXIMUM FASTENER |
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL FASTENER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE FASTENER |
| SFTT | SURFACE TREATMENT | CADMIUM FASTENER AND CHROMATE FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AASA | THREAD LENGTH | 0.084 INCHES MINIMUM AND 0.214 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.156 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.480 INCHES MINIMUM AND 0.531 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 4 TYPE |
| Components Related to NSN - 5305-01-326-6674, 5305013266674 | ||||
| 5330-00-038-4345 (5330000384345) | 5305-01-191-2462 (5305011912462) | 5365-00-898-3506 (5365008983506) | 5315-01-424-1290 (5315014241290) | |
| 5330-01-696-0897 (5330016960897) | 5330-01-561-7601 (5330015617601) | 5342-00-408-9183 (5342004089183) | 5310-00-981-2299 (5310009812299) | |
| 5340-01-523-8925 (5340015238925) | 5342-01-649-3882 (5342016493882) | 5310-00-943-5411 (5310009435411) | 5340-01-569-9497 (5340015699497) | |
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