Aerospace Performance Parts is pleased to offer immediate purchasing options for Huck International Inc part number 51B221-21H, which you have taken interest in. This Screw Close Tolerance item is listed alongside the NSN 5305-00-801-7103 for ease of identification, with various additional information provided on this page for your reference. Should you wish to obtain solutions on this particular listing, we invite you to complete the Request for Quote (RFQ) form on this page at your earliest convenience. Responses are always offered shortly after we receive and review each request, with solutions we give being fully based on the details we are provided.
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If you happen to require expedited shipping for part number 51B221-21H or any other FSC 5305 Screws components we carry from Huck International Inc under CAGE Code 17446, be sure to let us know as soon as possible. We would be happy to discuss the options that we can potentially provide, our track record of on-time delivery being a testament to our dedication to customer satisfaction. You can either include such details within your request, or get in touch with staff directly. Otherwise, request a quote on NSN 5305-00-801-7103 part number 51B221-21H today, knowing we will support all your operational needs with care.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-00-801-7103 Item PartTypeName: 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 | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.276 INCHES MINIMUM |
| AASK | HEAD STYLE | MODIFIED PAN |
| AAUR | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| 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 |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| 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 |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| AAJD | THREAD CLASS | 3A |
| AASB | FASTENER LENGTH | 1.573 INCHES MINIMUM AND 1.620 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.361 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES NOMINAL FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| 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 |
| 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 |
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