AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
Thank you for taking an interest in the top-caliber NSN products we feature here on AI NSN Parts. On this page, you can submit a quote request for part number 51B221-31, a Screw Close Toleran item that is manufactured by Northrop Grumman Technical Services Inc. Listed alongside the NSN 5305010481141 within our database, part number 51B221-31 is conveniently ready for purchase at any time.
To ensure listings like part number 51B221-31 are ready for swift installation, we have a rigorous quality assurance program in place. As such, we make it easy for you to inquire about popular NSNs like 5305-01-048-1141, as well as the many other Northrop Grumman Technical Services Inc products produced under CAGE Code 0JRC1 that interest you. For the benefit of our customers, we carefully vet every entity that we source from, guaranteeing that you only receive superior-caliber offerings in every order. With these dedications, you can always purchase from us with confidence. Furthermore, we also organize our stock based on Federal Supply Classes, so you can find popular items under FSCs like 5305 Screws. Do not hesitate to submit the RFQ form below, and within 15 minutes or less of submission, one of our experts will reach out with a customized solution. Get started today and see why so many customers steadily depend on AI NSN Parts for their operational needs.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-01-048-1141 Item PartTypeName: SCREW,CLOSE TOLERANCE | 5305 | 010481141 | N | |||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | ||||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 51B221-31 | 2 | 1 | C | 9 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.246 INCHES MINIMUM AND 0.323 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.199 INCHES MINIMUM AND 2.246 INCHES MAXIMUM |
| AASK | HEAD STYLE | PAN |
| AASL | HEAD DIAMETER | 0.361 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.1185 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| ANEE | GRIP LENGTH | 1.923 INCHES MINIMUM AND 1.953 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL OR CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR NAS 672 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
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