| Item Name | Screw Tapping |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-033-7623 (010337623) |
| NCB Code | USA (01) |
| Manufacturer | L 3 Communications Corporation, Raytheon Technical Services Company, Federal Specifications |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 0.500 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON EXTENDED WASHER |
| AASU | HEAD HEIGHT | 0.105 INCHES MINIMUM AND 0.108 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.302 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.015 INCHES MINIMUM AND 0.025 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| CRGF | NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) |
| CTYF | NONMACHINE NOMINAL THREAD DIAMETER | 0.138 INCHES |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | A TYPE |
| Relevant Components for NSN - 5305-01-033-7623, 5305010337623 | ||||
| 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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