AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Cap Hexagon Head |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-453-4053 (014534053) |
| NCB Code | USA (01) |
| Manufacturer | Zf Industrieantriebe Witten Gmbh, Federal Specifications, Huntington Ingalls Incorporated |
| MRC | Criteria | Characteristic |
|---|---|---|
| AATB | Width Between Flats | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM |
| AASK | Head Style | HEXAGON |
| AAJF | Thread Direction | RIGHT-HAND |
| CQHQ | Minimum Yield Strength | 40000 POUNDS PER SQUARE INCH |
| AASB | Fastener Length | 0.720 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| CQBC | Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH |
| AGAV | End Item Identification | LEVEL 1 / SUBSAFE;SEAWOLF CLASS SSN |
| MATT | Material | NICKEL ALLOY 400 OVERALL |
| THSD | Thread Series Designator | UNC |
| CMLP | Thread Quantity Per Inch | 20 |
| AHYM | Nominal Thread Diameter | 0.250 INCHES |
| AAJD | Thread Class | 2A |
| AASA | Thread Length | 0.670 INCHES MINIMUM |
| AASU | Head Height | 0.172 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| AAUM | Locking Feature | PATCH THREADS OR PELLET THREADS OR STRIP THREADS |
| MRC | Decoded Requirement | Clear Text Reply |
| ZZZT | Nondefinitive Spec/Std Data | 2 TYPE AND 10P STYLE |
| MDCL | Material Document And Classification | QQ-N-281 CLA FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Relevant Components for NSN - 5305-01-453-4053, 5305014534053 | ||||
| 5365-00-981-3580 (5365009813580) | 5306-01-663-0372 (5306016630372) | 5330-00-259-1415 (5330002591415) | 5340-00-140-8006 (5340001408006) | |
| 5310-01-055-6080 (5310010556080) | 5340-01-571-9066 (5340015719066) | 5360-01-528-5575 (5360015285575) | 5340-01-254-4525 (5340012544525) | |
| 5310-01-456-0920 (5310014560920) | 5331-01-311-6975 (5331013116975) | 5330-00-147-6676 (5330001476676) | 5365-01-201-0770 (5365012010770) | |
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