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) | 01-023-2437 (010232437) |
| NCB Code | USA (01) |
| Manufacturer | National Aerospace Standards Com, Military Standards Corp, Federal Specifications |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| MS90726-275 | national aerospace standards com | screw cap hexagon head | RFQ |
| MS90726-275 | military standards corp | screw cap hexagon head | RFQ |
| FF-S-85 | federal specifications | screw cap hexagon head | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 2.750 INCHES MINIMUM AND 2.958 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 3.312 INCHES MINIMUM AND 3.500 INCHES MAXIMUM |
| AASK | HEAD STYLE | HEXAGON |
| AASU | HEAD HEIGHT | 0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 1.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQBC | MINIMUM TENSILE STRENGTH | 105000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 19.0 ROCKWELL C MINIMUM OVERALL AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES THREADS |
| MATT | MATERIAL | STEEL COMP 1013 OVERALL OR STEEL COMP 1015 OVERALL OR STEEL COMP 1016 OVERALL OR STEEL COMP 1017 OVERALL OR STEEL COMP 1018 OVERALL OR STEEL COMP 1019 OVERALL OR STEEL COMP 1020 OVERALL OR STEEL COMP 1021 OVERALL OR STEEL COMP 1022 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 2 TYPE AND 10P STYLE AND 5 GRADE |
| Relevant Components for NSN - 5305-01-023-2437, 5305010232437 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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