AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-617-0403 (016170403) |
| NCB Code | USA (01) |
| Manufacturer | Fastenal Company, Armatec Survivability Corp |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.97 INCHES MINIMUM AND 1.00 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.97 INCHES MINIMUM AND 1.00 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |
| AGAV | END ITEM IDENTIFICATION | 2355-01-539-3639 |
| AHYM | NOMINAL THREAD DIAMETER | 0.3125 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CSYT | CHAMFER ANGLE | 15.0 DEGREES MINIMUM AND 30.0 DEGREES MAXIMUM |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | 5/16-18X1,HEX CAP SCREW,18-8 STAINLESS STEEL |
| MATT | MATERIAL | STEEL PROPERTY CLASS 18.8 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ALLOY,GROUP 1,COND CW OF ASTM F593 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DESCALED OR CLEAN IAW ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-01-617-0403, 5305016170403 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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