| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-021-5939 (000215939) |
| NCB Code | USA (00) |
| Manufacturer | Kaitlin Corp, Navistar Intl Corp, Pressed Metals Of America Inc, General Motors Corp, Garwood Feller Inc, Federal Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 3X320 3-4 | kaitlin corp | screw cap hexagon head | RFQ |
| Q1889 | navistar intl corp | screw cap hexagon head | RFQ |
| 1X87 | pressed metals of america inc | screw cap hexagon head | RFQ |
| 215939 | general motors corp | screw cap hexagon head | RFQ |
| 3X3203-4 | garwood feller inc | screw cap hexagon head | RFQ |
| FFS85 | federal specifications | screw cap hexagon head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.750 INCHES MINIMUM AND 1.938 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.000 INCHES NOMINAL |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.562 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 1.000 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.750 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| CQBC | MINIMUM TENSILE STRENGTH | 64000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 100.0 ROCKWELL B MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 52000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10 STYLE |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY HEAD HEIGHT AND WIDTH BETWEEN FLATS |
| Relevant Components for NSN - 5305-00-021-5939, 5305000215939 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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