| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-818-0517 (008180517) |
| NCB Code | USA (00) |
| Manufacturer | Aeronautical Standards Group, Nylok Corporation, Schaefer Marine Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AASA | THREAD LENGTH | 0.250 INCHES MINIMUM |
| AASL | HEAD DIAMETER | 0.150 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.086 INCHES |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 0.250 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AAUM | LOCKING FEATURE | PATCH THREADS OR STRIP THREADS |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| CMLP | THREAD QUANTITY PER INCH | 56 |
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Components Related to NSN - 5305-00-818-0517, 5305008180517 | ||||
| 5330-00-154-7423 (5330001547423) | 5365-01-326-1135 (5365013261135) | 5306-01-053-6961 (5306010536961) | 5310-00-523-2141 (5310005232141) | |
| 5325-01-240-1213 (5325012401213) | 5360-01-089-4004 (5360010894004) | 5330-01-089-6878 (5330010896878) | 5330-01-125-9042 (5330011259042) | |
| 5365-01-447-3568 (5365014473568) | 5340-00-967-7591 (5340009677591) | 5305-00-733-6616 (5305007336616) | 5310-01-278-4520 (5310012784520) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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