| Alternative NSN: 5305-01-027-4553 |
| Item Name: Screw Cap Socket He |
| CAGE Code : 08938 , 92215 , 50568 , 30902 , 58998 , 07679 , 73197 , 97928 , F7652 , FB009 , 04348 , 16941 , 80205 , 56357 , 07851 , 53606 , 80539 |
| NIIN: 010274553 |
| FSC Name: 5305 Screws |
| NCB Code: USA (01) |
| 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 , klx aerospace solutions ii sas , klx inc , lawrence engineering and supply inc , longlok fasteners corporation , national aerospace standards com , nd industries inc , nor cal supply coinc , plastic and metal products co , sps technologies inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.523 INCHES MINIMUM AND 0.554 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.491 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | PATCH OR STRIP THREADS |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 24.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 85000 POUNDS PER SQUARE INCH |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CSYM | SURFACE FINISH | 125.0 MICROINCHES TOP OF HEAD |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7478 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
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