| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-638-8922 (006388922) |
| NCB Code | USA (00) |
| Manufacturer | Perkins Engines Company Ltd |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.125 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 5.312 INCHES MINIMUM AND 5.500 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.272 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.612 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| CQBC | MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| CQHQ | MINIMUM YIELD STRENGTH | 120000 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10 STYLE |
| Relevant Components for NSN - 5305-00-638-8922, 5305006388922 | ||||
| 5330-00-037-6893 (5330000376893) | 5307-00-803-5029 (5307008035029) | 5306-00-638-8373 (5306006388373) | 5330-01-185-7225 (5330011857225) | |
| 5365-00-089-1699 (5365000891699) | 5331-01-025-7783 (5331010257783) | 5330-01-362-7880 (5330013627880) | 5307-01-286-8388 (5307012868388) | |
| 5340-01-407-7865 (5340014077865) | 5340-01-609-2404 (5340016092404) | 5330-01-167-2303 (5330011672303) | 5340-01-145-4055 (5340011454055) | |
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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