| Item Name | Bearing Ball Airframe |
| Federal Supply Group (FSG) | Bearings |
| Federal Supply Class (FSC) | 3110 Bearings Antifriction Unmounted |
| National Item Identification Number (NIIN) | 00-533-9185 (005339185) |
| NCB Code | USA (00) |
| Manufacturer | Timken Corporation, Rbc Aircraft Products Inc, Lockheed Martin Corporation, Lockheed Martin Services Inc, Mechatronics Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MKSP4A | timken corporation | bearing ball airframe | 21335 | RFQ |
| MKSP4AFS428 | rbc aircraft products inc | bearing ball airframe | 3nps1 | RFQ |
| MKSP4AFS428 | timken corporation | bearing ball airframe | 21335 | RFQ |
| MKSP4AFS428 | lockheed martin corporation | bearing ball airframe | 98897 | RFQ |
| MKSP4AFS428 | lockheed martin services inc | bearing ball airframe | 1wl60 | RFQ |
| MKSP4ASD510 | mechatronics inc | bearing ball airframe | 5v122 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABXV | BORE DIAMETER | 0.2500 INCHES NOMINAL |
| ADGA | OVERALL OUTSIDE DIAMETER | 0.7500 INCHES NOMINAL |
| AGVT | OUTER RING WIDTH | 0.2190 INCHES NOMINAL |
| AGVU | INNER RING WIDTH | 0.2810 INCHES NOMINAL |
| AGYJ | SEAL QUANTITY | 2 |
| AGYW | BEARING SEAL TYPE | CONTACT |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| AGZC | LOAD DIRECTION | RADIAL |
| AHAW | SELF-ALIGNMENT LOCATION | INTERNAL |
| CTFZ | STANDARD TOLERANCE DESIGNATION | ABEC NO.3 |
| FEAT | SPECIAL FEATURES | 80 PCT FULL OF SPECIFIED LUBRICANT,8 DEG SELF ALIGNING IN EITHER DIRECTION |
| LMDC | LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE SEAL |
| MATT | MATERIAL | STEEL COMP E52100 BALL |
| MATT | MATERIAL | STEEL COMP E52100 INNER RING |
| MATT | MATERIAL | STEEL COMP E52100 OUTER RING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE SEAL |
| SFTT | SURFACE TREATMENT | CADMIUM EXPOSED SURFACES AS MOUNTED |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE EXPOSED SURFACES AS MOUNTED |
| STYL | STYLE DESIGNATOR | SINGLE ROW SELF ALIGNING SINGLE ROW INNER RING EXTENDED BOTH SIDES |
| Relevant Components for NSN - 3110-00-533-9185, 3110005339185 | ||||
| 3110-01-015-6680 (3110010156680) | 3110-01-596-2062 (3110015962062) | 3120-00-990-6202 (3120009906202) | 3120-00-110-8877 (3120001108877) | |
| 3120-00-661-6284 (3120006616284) | 3110-00-417-5207 (3110004175207) | 3120-01-597-9998 (3120015979998) | 3120-01-696-2202 (3120016962202) | |
| 3110-01-290-7903 (3110012907903) | 3110-01-422-9497 (3110014229497) | 3120-01-049-0576 (3120010490576) | 3110-00-081-6307 (3110000816307) | |
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