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) | 01-007-4092 (010074092) |
| NCB Code | USA (01) |
| Manufacturer | Boeing Company The, Sps Technologies Inc, West Coast Aerospace Inc, Alcoa Fastening Systems Ltd, Alcoa Global Fasteners Inc, Satair Usa Inc, Huck International Inc, Hi Shear Corporation, Lisi Aerospace Canada Corp, Reid Products Inc, Fastener Innovation Technology Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| ST3M454-4L25 | boeing company the | screw close tolerance | RFQ |
| HT4025L4-25 | sps technologies inc | screw close tolerance | RFQ |
| WC4025L-4-25 | west coast aerospace inc | screw close tolerance | RFQ |
| HT4025L4-25 | alcoa fastening systems ltd | screw close tolerance | RFQ |
| HT4025L4-25 | alcoa global fasteners inc | screw close tolerance | RFQ |
| ST3M454-4L25 | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT4025L4-25 | satair usa inc | screw close tolerance | RFQ |
| HT4025L4-25 | huck international inc | screw close tolerance | RFQ |
| HT4025L4-25 | hi shear corporation | screw close tolerance | RFQ |
| HT4025L4-25 | lisi aerospace canada corp | screw close tolerance | RFQ |
| 11905-4L25 | reid products inc | screw close tolerance | RFQ |
| ST3M454-4L25 | fastener innovation technology inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.016 INCHES MINIMUM AND 2.046 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-007-4092, 5305010074092 | ||||
| 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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