We’re pleased to announce that S643M (Bearing Unit Ball, NSN: 3130-00-278-7498) is now in stock and ready for immediate quoting. This component, manufactured by Stephens Adamson Inc (CAGE Code: 57448), is classified under NIIN 00-278-7498 and NCB Code 00 (USA), with additional categorization under FSG 31 Bearings/FSC 3130 Bearings Mounted and INC 30556. Our team can provide same-day shipping for urgent requirements.
To receive your competitive quote within 15 minutes, simply complete our RFQ form part S643M, ensuring all required fields are filled. Our streamlined process guarantees fast, no-obligation pricing so you can secure your supply of S643M without delay. Contact us today to meet your procurement needs efficiently
ASAP Part Services, a trusted subsidiary of ASAP Semiconductor, is a premier distributor of Stephens Adamson Inc components—specializing in obsolete and hard-to-find parts. As an AS9120B, ISO 9001:2015, and FAA AC 0056B certified supplier, we adhere to the highest industry standards under the Aviation Suppliers Association (ASA). Our global network spans 5,000+ top manufacturers, ensuring access to over 2 billion unique parts for critical needs.
With strategically located shipping centers in California, we offer rapid same-day or next-day delivery on in-stock items like S643M. Whether you're sourcing rare components or need expedited logistics, we provide reliable solutions to keep your operations moving forward.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 3130-00-278-7498 Item PartTypeName: BEARING UNIT,BALL | 3130 | 002787498 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | A | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| S643M | C | 9 | 5 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABTB | MOUNTING HOLE DIAMETER | 0.6250 INCHES NOMINAL |
| ABXV | BORE DIAMETER | 2.6875 INCHES NOMINAL |
| AFWC | HOUSING HEIGHT | 8.7500 INCHES NOMINAL |
| AGKL | LUBRICATION FITTING TYPE | PIPE PLUG |
| AGYX | ROLLING ELEMENT GROOVE QUANTITY | 1 |
| AGZA | ALIGNMENT TYPE | SELF-ALIGNING |
| AGZH | INTERNAL FIT-UP DESIGNATION | STANDARD |
| AKRF | SEAL TYPE | LABYRINTH |
| AMCL | BLOCK TYPE | FIXED |
| ANJS | SHAFT END TYPE | OPEN |
| ANKF | SEAL LOCATION | BOTH ENDS |
| ANKP | HEIGHT FROM BOTTOM OF BASE TO BORE CENTERLINE | 4.3750 INCHES NOMINAL |
| CBBL | FEATURES PROVIDED | GROUND ROLLING ELEMENT GROOVE |
| CWGY | ROTATING ELEMENT LOCKING METHOD | DIRECT |
| FEAT | SPECIAL FEATURES | LOCKING PIN AND DIMPLE LOCATE LUBRICATION HOLE |
| LBMA | LUBRICATION MATERIAL | OIL |
| MATT | MATERIAL | IRON CAST HOUSING |
| End Use : 21180 | Industrial machines, other |
|---|---|
| Schedule B : 8482991050 (NAICS 332991) | Parts, except inner and outer races, for ball bearings, (including ball bearings with integral shafts) |
| SITC : 74699 | Parts of ball and roller bearings, n.E.S. |
| CRITL | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
|---|---|
| HMIC | N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials. |
| PMIC | A - Item does not contain precious metal. |
| AAC | J |
|---|---|
| Classification Control | U |
| MGMT_CTL | 9b----- |
| Quantity per pack | 1 |
| Repariability | |
| Shelf Life | N/A |
| SOS | Sms |
| Unit of Measure | Ea |
| ACC: | V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing |
|---|---|
| ADC: | A - Shipment is not a consolidation and does not exceed 84 inches in any dimension. |
| LCL: | P - 77.5 |
| LTL: | P - 77.5 |
| NMFC: | 114820 - Bearings/bushings noi ball/roller |
| SHC: | 9 - Other or no special handling required (sh) |
| TCC: | Z - No special type of cargo code applicable |
| WCC: | 742 - Bearings |
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