| Item Name | Thumbscrew |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-276-1629 (012761629) |
| NCB Code | USA (01) |
| Manufacturer | Davco Mfg Corp, Davco Technology Llc, Department Of Defense Project |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.470 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 0.550 INCHES NOMINAL |
| AASK | HEAD STYLE | KNURLED NO. 1 |
| AASL | HEAD DIAMETER | 0.550 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.350 INCHES NOMINAL |
| ABQJ | POINT STYLE | FLAT |
| AHYM | NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.0 |
| CQWR | EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FEAT | SPECIAL FEATURES | CUT KEY WAY IN THREADED AREA AT A RADIUS 1.250 IN. WIDTH 0.094 IN. |
| MATT | MATERIAL | COPPER ALLOY 360 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM B16 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | M |
| Components Related to NSN - 5305-01-276-1629, 5305012761629 | ||||
| 5305-01-222-3196 (5305012223196) | 5340-01-420-2904 (5340014202904) | 5305-01-506-5038 (5305015065038) | 5307-01-093-0586 (5307010930586) | |
| 5306-01-455-2212 (5306014552212) | 5320-01-425-9724 (5320014259724) | 5330-01-429-5246 (5330014295246) | 5340-01-359-3660 (5340013593660) | |
| 5330-01-524-1191 (5330015241191) | 5320-00-395-6445 (5320003956445) | 5310-01-510-7415 (5310015107415) | 5310-01-104-8190 (5310011048190) | |
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