| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-721-9404 (007219404) |
| NCB Code | USA (00) |
| Manufacturer | Carrier Kheops Bac, Hi Shear Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASB | FASTENER LENGTH | 1.066 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| ABQZ | INTERNAL DRIVE STYLE | TORQUE SET |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CYAU | SCREW MATERIAL | STEEL COMP 431 |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE |
| AASA | THREAD LENGTH | 0.316 INCHES MINIMUM |
| AASL | HEAD DIAMETER | 0.501 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CYBA | SCREW SURFACE TREATMENT | CADMIUM |
| CYBE | SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | NAS 672 ASSN STD SINGLE TREATMENT RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Components Related to NSN - 5305-00-721-9404, 5305007219404 | ||||
| 5320-01-625-8117 (5320016258117) | 5305-01-643-3347 (5305016433347) | 5365-01-122-8885 (5365011228885) | 5330-01-382-8170 (5330013828170) | |
| 5360-00-551-6874 (5360005516874) | 5306-01-044-5191 (5306010445191) | 5365-00-888-2513 (5365008882513) | 5305-00-282-0282 (5305002820282) | |
| 5310-01-201-3707 (5310012013707) | 5310-00-814-4076 (5310008144076) | 5342-00-200-5894 (5342002005894) | 5310-01-068-8899 (5310010688899) | |
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