| Item Name | Screw Cap Hexagon H |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-398-4030 (013984030) |
| NCB Code | USA (01) |
| Manufacturer | Department Of Defense Project |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATC | EXTENDED WASHER DIAMETER | 0.720 INCHES MINIMUM AND 0.780 INCHES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 2A |
| AASA | THREAD LENGTH | 0.750 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.500 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.375 INCHES |
| FEAT | SPECIAL FEATURES | TWO SLOTS 180 DEGREES APART,0.090 IN. NOM DEEP,0.120 IN. NOM WIDE,0.750 INM MOM LG FROM END OPPOSITE THE HEAD |
| AATD | EXTENDED WASHER THICKNESS | 0.035 INCHES MINIMUM AND 0.065 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SFTT | SURFACE TREATMENT | ZINC OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | HEXAGON EXTENDED WASHER |
| AASU | HEAD HEIGHT | 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| MATT | MATERIAL | STEEL OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633,SC 2,TYPE 1 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Relevant Components for NSN - 5305-01-398-4030, 5305013984030 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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