AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Socket Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-326-7582 (013267582) |
| NCB Code | USA (01) |
| Manufacturer | Federal Specifications, Electric Boat Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASB | FASTENER LENGTH | 1.000 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.625 INCHES |
| CQHQ | MINIMUM YIELD STRENGTH | 40000 POUNDS PER SQUARE INCH |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 1.002 INCHES MINIMUM AND 1.125 INCHES MAXIMUM |
| ASDB | WIDTH ACROSS FLATS | 0.375 INCHES NOMINAL |
| CRSQ | COUNTERSINK ANGLE | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| MATT | MATERIAL | NICKEL ALLOY 400 FASTENER |
| MATT | MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 4 TYPE |
| AAJD | THREAD CLASS | 3A |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.530 INCHES NOMINAL |
| AAUM | LOCKING FEATURE | PATCH THREADS OR PELLET THREADS OR STRIP THREADS |
| CMLP | THREAD QUANTITY PER INCH | 11 |
| CQBC | MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-01-326-7582, 5305013267582 | ||||
| 5365-01-101-3819 (5365011013819) | 5305-01-006-9246 (5305010069246) | 5310-00-639-2818 (5310006392818) | 5310-01-332-9051 (5310013329051) | |
| 5330-01-399-2381 (5330013992381) | 5340-01-496-5144 (5340014965144) | 5342-00-326-6390 (5342003266390) | 5305-01-361-1154 (5305013611154) | |
| 5305-01-516-4729 (5305015164729) | 5330-15-007-8953 (5330150078953) | 5340-01-078-1350 (5340010781350) | 5310-01-471-5429 (5310014715429) | |
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