We appreciate your interest in Military Specifications part number MIL-B-3990, which is currently ready for procurement here on Prompt Aerospace. For your reference, part number MIL-B-3990 is listed with the NSN 3110-01-256-9277 and description “Bearing Roller Need.” If this is the item you are seeking and you would like to request a quote for your comparisons, simply complete the form below with information like your desired quantity, budget, and anticipated fulfillment timeframe. We regularly respond to requests within 15 minutes of receiving them, using the details we are offered to curate the most ideal purchasing options.
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If you want to explore other items produced by Military Specifications under the CAGE Code 81349 or that similarly fall under the FSC 3110 Bearings Antifriction Unmounted, keep in mind that since we list everything with relevant information, you can easily locate related part numbers using our search engine or catalogs. We also excel at tracking down parts with long lead times or that are generally hard to find, meaning that we can serve you even if you do not see exactly what you need on our website. With all of this being said, we are ready to help you source any of the NSN 3110-01-256-9277 parts and Bearing Roller Need items your operations require, so request a quote today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 3110-01-256-9277 Item PartTypeName: BEARING,ROLLER,NEEDLE | 3110 | 012569277 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| MS21438-108 | 5 | 2 | 2 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABXV | BORE DIAMETER | 0.4993 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| ADGA | OVERALL OUTSIDE DIAMETER | 1.3115 INCHES MINIMUM AND 1.3135 INCHES MAXIMUM |
| AGVT | OUTER RING WIDTH | 0.4850 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM |
| AGVU | INNER RING WIDTH | 0.6150 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM |
| AGWG | CROWN RADIUS | 10.0000 INCHES NOMINAL |
| AGYE | SURFACE FINISH | GROUND |
| AGYJ | SEAL QUANTITY | 2 |
| AGYW | BEARING SEAL TYPE | CONTACT |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| AHAW | SELF-ALIGNMENT LOCATION | EXTERNAL |
| CBBL | FEATURES PROVIDED | LUBRICATION HOLE AND LUBRICATION GROOVE |
| LBMA | LUBRICATION MATERIAL | GREASE |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATT | MATERIAL | PLASTIC ACETAL OR PLASTIC POLYHEXAMETHYLENE ADIPAMIDE SEAL |
| MATT | MATERIAL | STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 OR STEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 INNER RING |
| MATT | MATERIAL | STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 OR STEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 OUTER RING |
| MATT | MATERIAL | STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100 OR STEEL COMP 4615 OR STEEL COMP 4617 OR STEEL COMP 4620 RETAINING PLATE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | L-P-392 FED SPEC 1ST MATERIAL RESPONSE OR L-P-410,TY 6/6 FED SPEC 2ND MATERIAL RESPONSE SEAL |
| SFTT | SURFACE TREATMENT | CADMIUM OR OXIDE INNER RING |
| SFTT | SURFACE TREATMENT | CADMIUM OR OXIDE RETAINING PLATE |
| SFTT | SURFACE TREATMENT | CHROMIUM OUTER RING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-C-320 FED SPEC SINGLE TREATMENT RESPONSE OUTER RING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-13924 MIL SPEC 2ND TREATMENT RESPONSE INNER RING |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 1,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-13924 MIL SPEC 2ND TREATMENT RESPONSE RETAINING PLATE |
| STYL | STYLE DESIGNATOR | TRACK ROLLER |
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