We appreciate your interest in our selection of parts that fall under the NSN 5305-00-801-7103. Below, top-requested part numbers like 51B221-21H, and others are presented alongside their manufacturer for your perusal. In order to receive pricing options on any featured NSN 5305-00-801-7103, simply click on the “RFQ” button next to it and complete the quote request form you are directed to. Be sure to include as many details as you can about your requirements and restrictions alike so our team can best formulate ideal fulfillment options for your consideration.
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| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-801-7103 (008017103) |
| NCB Code | USA (00) |
| Manufacturer | Northrop Grumman Systems Corporation, Northrop Grumman Technical Services Inc, Sps Technologies Inc, Huck International Inc, Hi Shear Corporation, Lisi Aerospace Canada Corp, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 51B221-21H | northrop grumman systems corporation | screw close tolerance | RFQ |
| 51B221-21H | northrop grumman technical services inc | screw close tolerance | RFQ |
| 51B221-21H | sps technologies inc | screw close tolerance | RFQ |
| 51B221-21H | huck international inc | screw close tolerance | RFQ |
| 51B221-21H | hi shear corporation | screw close tolerance | RFQ |
| 51B221-21H | lisi aerospace canada corp | screw close tolerance | RFQ |
| 51B221-21H | alcoa global fasteners inc | screw close tolerance | RFQ |
| 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 |
| Relevant Components for NSN - 5305-00-801-7103, 5305008017103 | ||||
| 5306-01-024-1748 (5306010241748) | 5320-00-505-6505 (5320005056505) | 5330-01-099-4925 (5330010994925) | 5365-01-365-8105 (5365013658105) | |
| 5340-01-440-9216 (5340014409216) | 5330-01-552-3982 (5330015523982) | 5310-01-040-7861 (5310010407861) | 5310-00-411-0687 (5310004110687) | |
| 5330-01-169-9276 (5330011699276) | 5325-01-129-2555 (5325011292555) | 5305-00-940-9517 (5305009409517) | 5305-00-988-7614 (5305009887614) | |
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