# NSN 3110-00-858-2670: Bearing, Ball, Annular

NSN 3110-00-858-2670 (also written 3110008582670; NIIN 00-858-2670) is a bearing, ball, annular in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 10 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3110-00-858-2670 (3110008582670)
- NIIN: 00-858-2670 (008582670)
- Item name: BEARING,BALL,ANNULAR
- Federal Supply Class: [FSC 3110 Bearings, Antifriction, Unmounted](https://nsnexplorer.com/fsc/3110/)
- Federal Supply Group: [FSG 31](https://nsnexplorer.com/group/31/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABMK | OVERALL WIDTH | MILLIMETERS NOMINAL 7.0 |
| ABXV | BORE DIAMETER | MILLIMETERS NOMINAL 17.0000 |
| ADGA | OVERALL OUTSIDE DIAMETER | MILLIMETERS NOMINAL 30.0000 |
| AGYE | SURFACE FINISH | GROUND |
| AGYF | RETAINER FABRICATION METHOD | MACHINED |
| AGZC | LOAD DIRECTION | RADIAL |
| AGZD | BORE SHAPE | STRAIGHT |
| AKVV | INTERNAL CLEARANCE | INCHES MINIMUM RADIAL 0.0005 AND INCHES MAXIMUM RADIAL 0.0009 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CTFZ | STANDARD TOLERANCE DESIGNATION | ABEC NO.5 |
| FEAT | SPECIAL FEATURES | ITEM OF SUPPLY IS ESSENTIAL TO WEAPON SYSTEM PERFORMANCE AND OPERATION. A FAILURE COULD CAUSE CATASTROPHIC OR CRITITCAL FAILURE RESULTING IN THE LOSS OF OR SERIOUS DAMAGE TO THE AIRCRAFT OR WEAPON SYSTEM OR AN UNCOMMANDED ENGINE SHUTDOWN THAT JEOPARDIZES SAFETY.ACTION ID 45584969 |
| MATT | MATERIAL | BALL STEEL |
| MATT | MATERIAL | INNER RING STEEL COMP E52100 |
| MATT | MATERIAL | OUTER RING STEEL COMP E52100 |
| MATT | MATERIAL | RETAINER COPPER ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BALL ASSN STD SINGLE MATERIAL RESPONSE SAE 5100 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | INNER RING ASSN STD SINGLE MATERIAL RESPONSE A-S 6440 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OUTER RING ASSN STD SINGLE MATERIAL RESPONSE A-S 6440 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | RETAINER ASSN STD SINGLE MATERIAL RESPONSE A-S 6416 |
| PMLC | PRECIOUS MATERIAL AND LOCATION | SILVER LATE |
| PRMT | PRECIOUS MATERIAL | SILVER |
| SPCL | SPECIAL TEST FEATURES | MATERIAL: OUTER RING: AMS 6440, HARDNESS: ROCKWELL C-58 MININUM OR EQUIVALENT; INNER RING: AMS 6440, HARDNESS: ROCKWELL C-58 MINIMUM OR EQUIVALENT; BALLS-AMS 6440, HARDNESS: ROCKWELL C-58 MINIMUM OR EQUIVALENT; CAGE: AMS 4616 FORGED SILICON BRONZE; SILVER PLATE AMS 2412 NO STRIKE METAL; REQUIRED BAKE: 475-500 DEGREES FAHRENHEIT FOR 2HRS TO CHECK BOND-PLATE .0005-.0015" THICK ON LAND RIDING SURFACES AND BALL POCKETS; BALLS AND RINGS MUST BE STABILIZED FOR MINIMUM DISTORTION AT 400 DEGREES FAHRENHEIT |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 380005 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 380006 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 380006 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 457525 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 457526 | 38443 | SKF USA INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 457526 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 799764 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 799764 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 799764 | 83086 | NEW HAMPSHIRE BALL BEARINGS INC DIV HITECH DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 799838 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-01 | [SPE4A626PM505](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3110008582670) | BEARING, BALL, ANNULAR | SKF USA INC. | $185,189.70 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3110008582670&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3110008582670
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

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