| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-421-7888 (004217888) |
| NCB Code | USA (00) |
| Manufacturer | The Boeing Company, Sps Technologies Ltd, Alcoa Global Fasteners Inc, Hi Shear Corporation, Huck International Inc, Lisi Aerospace |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 3M263-4-7 | the boeing company | screw close tolerance | RFQ |
| 3M263-4-7 | sps technologies ltd | screw close tolerance | RFQ |
| 3M263-4-7 | alcoa global fasteners inc | screw close tolerance | RFQ |
| HT195-4-7 | hi shear corporation | screw close tolerance | RFQ |
| 66117H4-7 | sps technologies ltd | screw close tolerance | RFQ |
| HS2623-4Z7 | huck international inc | screw close tolerance | RFQ |
| HT195-4-7 | lisi aerospace | screw close tolerance | RFQ |
| 3M263-4-7 | huck international inc | screw close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.371 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.819 INCHES MINIMUM AND 0.866 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MAC P.S.13145,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-00-421-7888, 5305004217888 | ||||
| 5305-00-000-0094 (5305000000094) | 5305-00-001-1366 (5305000011366) | 5305-00-001-1367 (5305000011367) | 5305-00-001-1568 (5305000011568) | |
| 5305-00-001-1569 (5305000011569) | 5305-00-001-1837 (5305000011837) | 5305-00-001-1918 (5305000011918) | 5305-00-001-1926 (5305000011926) | |
| 5305-00-001-1948 (5305000011948) | 5305-00-001-1963 (5305000011963) | 5305-00-001-2011 (5305000012011) | 5305-00-001-2012 (5305000012012) | |
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