AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-008-5403 (010085403) |
| NCB Code | USA (01) |
| Manufacturer | Northrop Grumman Systems Corporation, Avibank Mfg Inc, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| GB511DB3090 | northrop grumman systems corporation | screw shoulder | RFQ |
| AS185-1 | avibank mfg inc | screw shoulder | RFQ |
| CA27032-3090 | alcoa global fasteners inc | screw shoulder | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.779 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 4.660 INCHES MINIMUM AND 4.676 INCHES MAXIMUM |
| AASK | HEAD STYLE | ROUND W/WRENCH FLATS |
| AASL | HEAD DIAMETER | 1.855 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.490 INCHES NOMINAL |
| AATB | WIDTH BETWEEN FLATS | 1.610 INCHES MINIMUM AND 1.625 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 1.499 INCHES NOMINAL FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 3.710 INCHES MINIMUM FIRST SHOULDER AND 3.736 INCHES MAXIMUM FIRST SHOULDER |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES MINIMUM FIRST HOLE AND 0.151 INCHES MAXIMUM FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 1.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQBC | MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.440 INCHES NOMINAL FIRST HOLE |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | RETAINING ELEMENT IN SHANK |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | G-1010 COMP 4330FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM THREADS |
| SFTT | SURFACE TREATMENT | CHROMIUM GRIP |
| SFTT | SURFACE TREATMENT | CHROMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837 TY2,CLASS 2 MIL SPEC SINGLE TREATMENT RESPONSE THREADS |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 CL 2E FED SPEC SINGLE TREATMENT RESPONSE GRIP |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 CLASS 2E FED SPEC SINGLE TREATMENT RESPONSE HEAD |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-008-5403, 5305010085403 | ||||
| 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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