AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
Part Number 51B221-21H described as Screw Close Tolerance with NSN 5305-00-801-7103 with FSC 5305 Screws by Manufacture Alcoa Global Fasteners Inc is available in stock. We provide comprehensive database of aerospace and aviation components, sub-assemblies, and completed assemblies allows us to respond to your RFQ within 15 minutes.
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-00-801-7103 Item Description: Screw Close Tolerance | 5305 | 008017103 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 51b221-21h | 2 | 2 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASU | HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| ANEE | GRIP LENGTH | 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.456 INCHES MINIMUM AND 1.503 INCHES MAXIMUM FIRST HOLE |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.276 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1.573 INCHES MINIMUM AND 1.620 INCHES MAXIMUM |
| AASK | HEAD STYLE | MODIFIED PAN |
| AASL | HEAD DIAMETER | 0.361 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES NOMINAL FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM TORQUE SET |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| FEAT | SPECIAL FEATURES | CRITICAL SAFETY ITEM PER DSCR-MA-21-15267 ALL SOURCES OF SUPPLY MUST BE APPROVED BY ESA |
| MATT | MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
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