AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-487-6877 (014876877) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, West Coast Aerospace Inc, Alcoa Global Fasteners Inc, Sps Technologies Inc, Twist Tite Mfg Inc, Fastener Innovation Technology Inc, Bridgestone Aircraft Tire Usa Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M557-3-7 | boeing company the | screw close tolerance | RFQ |
| ST3M557-3-7 | west coast aerospace inc | screw close tolerance | RFQ |
| HT4027-3-7 | alcoa global fasteners inc | screw close tolerance | RFQ |
| ST3M557-3-7 | sps technologies inc | screw close tolerance | RFQ |
| ST3M557-3-7 | alcoa global fasteners inc | screw close tolerance | RFQ |
| ST3M557-3-7 | twist tite mfg inc | screw close tolerance | RFQ |
| HT4024-3-7 | sps technologies inc | screw close tolerance | RFQ |
| ST3M557-3-7 | fastener innovation technology inc | screw close tolerance | RFQ |
| ST3M557-3-7 | bridgestone aircraft tire usa inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.765 INCHES MINIMUM AND 0.812 INCHES MAXIMUM |
| AASK | HEAD STYLE | OVAL COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 23-118 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-487-6877, 5305014876877 | ||||
| 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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