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) | 01-521-9574 (015219574) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Nimikkeistokeskus Ncb Finland, Alcoa Global Fasteners Inc, Sps Technologies Inc, Twist Tite Mfg Inc, West Coast Aerospace Inc, Hi Shear Corporation, Fastener Innovation Technology Inc, Lisi Aerospace Canada Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M557-3-15 | boeing company the | screw close tolerance | RFQ |
| 10457108 | nimikkeistokeskus ncb finland | screw close tolerance | RFQ |
| HT4027-3-15 | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4027-3-15 | sps technologies inc | screw close tolerance | RFQ |
| ST3M557 | boeing company the | screw close tolerance | RFQ |
| ST3M557-3-15 | twist tite mfg inc | screw close tolerance | RFQ |
| WC4027-3-15 | west coast aerospace inc | screw close tolerance | RFQ |
| HT4027-3-15 | hi shear corporation | screw close tolerance | RFQ |
| ST3M557-3-15 | fastener innovation technology inc | screw close tolerance | RFQ |
| HT4027-3-15 | lisi aerospace canada corp | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASK | Head Style | FLAT COUNTERSUNK |
| CMLP | Thread Quantity Per Inch | 32 |
| CXCY | Part Name Assigned By Controlling Agency | BOLT,100 DEGREE REDUCED HEAD,GEARDRIVE RECESS-SPECIAL THREAD LENGTH INCONCEL 718 (125 KSI SHEAR) |
| MRC | Decoded Requirement | Clear Text Reply |
| AASA | Thread Length | 0.313 INCHES NOMINAL |
| AASL | Head Diameter | 0.293 INCHES MINIMUM AND 0.301 INCHES MAXIMUM |
| SFTT | Surface Treatment | PASSIVATE OVERALL |
| AASB | Fastener Length | 1.343 INCHES NOMINAL |
| MDCL | Material Document And Classification | BPS-F-69 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| ANEE | Grip Length | 0.937 INCHES NOMINAL |
| ABQZ | Internal Drive Style | TORX |
| AAJF | Thread Direction | RIGHT-HAND |
| AHYM | Nominal Thread Diameter | 0.190 INCHES |
| THSD | Thread Series Designator | UNJF |
| AAUJ | Spline Major Diameter | 0.154 INCHES MINIMUM AND 0.156 INCHES MAXIMUM |
| CRSQ | Countersink Angle | 99.0 DEGREES NOMINAL AND 101.0 DEGREES MAXIMUM |
| MATT | Material | NICKEL ALLOY 718 OVERALL |
| AAUR | Grip Diameter | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| AAJD | Thread Class | 3A |
| Relevant Components for NSN - 5305-01-521-9574, 5305015219574 | ||||
| 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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