| Alternative NSN: 5305-00-107-1991 |
| Item Name: Screw Cap Socket He |
| CAGE Code : 08938 , 92215 , 50568 , 30902 , 58998 , 07679 , 73197 , 17446 , 04348 , L4528 , 16941 , 80205 , 56357 , 07851 , 53606 , 80539 , 26304 |
| NIIN: 001071991 |
| FSC Name: 5305 Screws |
| NCB Code: USA (00) |
| Manufacturers: air industries corp , alcoa global fasteners inc , apcom inc , f and c sales inc , fastener innovation technology inc , hardware specialties inc , hi shear corporation , huck international inc , lawrence engineering and supply inc , lisi aerospace canada corp , longlok fasteners corporation , national aerospace standards com , nd industries inc , nor cal supply coinc , plastic and metal products co , sps technologies inc , torkon fastener corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.249 INCHES MINIMUM AND 0.330 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.177 INCHES MINIMUM AND 0.225 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.112 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 40 |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| MATT | MATERIAL | STEEL COMP 4037 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
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