Buy Mil Spares is your sourcing solution for top-quality military and defense parts, aerospace parts, and other similar products that are necessary for operational fulfillment. You have reached the RFQ page for part number 51B221-21H, a Screw Close Tolerance item that is listed with the NSN 5305-00-801-7103 for an ease of identification. Manufactured by Hi Shear Corporation and readily available for procurement today, you are always welcome to request a quote on this NSN part to receive tailored pricing information and fulfillment options from our team. Simply offer us important information like your desired quantity, price, and fulfillment timeframe, and our team will supply you with a tailored quote on part number 51B221-21H in 15 minutes or less.
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To ensure that customers quickly identify and procure exact items, we list everything with as much relevant information as possible. For example, while part number 51B221-21H is manufactured by Hi Shear Corporation, it is specifically done so under CAGE Code 73197, a unique identifier assigned to a specific facility by the DLA that supplies to various government or defense agencies. Furthermore, using the first digits of the NSN 5305-00-801-7103, one can also determine that this part falls under FSC 5305 Screws. With this in mind, continue exploring our website today, and see how we can help you secure competitive pricing and rapid lead times on all desired NSN parts.
| 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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