# NSN 3110-01-336-3525: Bearing, Ball, Annular

NSN 3110-01-336-3525 (also written 3110013363525; NIIN 01-336-3525) is a bearing, ball, annular in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 9 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 3110-01-336-3525 (3110013363525)
- NIIN: 01-336-3525 (013363525)
- 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 P: the government does not own the rights to the data needed for more sources. (observed 2026-10-23)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | AH64A |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | BEARING ASSEMBLY - MAIN ROTOR SWASHPLATE |
| FEAT | SPECIAL FEATURES | CRITICAL SAFETY ITEM (CSI) |
| MATT | MATERIAL | BALL STEEL |
| SPCL | SPECIAL TEST FEATURES | BALL AND INNER AND OUTER RACE MATERIAL TO BE 52100 CEVM STEEL PER AMS6444; MINIMUM ROCKWELL HARDNESS C 58; SPACER MATERIAL IS TO BE STEEL; BALL SEPARATORS TO BE LOOPED WIRE (ELECTROPOLISHED 17-7PH CORROSION RESISTANT STEEL); FEXIBLE SEALS TO BE REMOVABLE; BALL PATH CONFORMITY: INNER RACE -51% AND OUTER RACE -52%; SURFACE FINISH: BALL PATHS RMS8; BALLS RMS4; GROUND SURFACES RMS32; MACHINED SURFACES: RMS125; 100% NITAL ETCH INSPECT INNER AND OUTER RACES PER HP30-4 OR KAYDON SPI 63-42-24-3-1; 100% MAGNETIC PARTICLE INSPECT INNER AND OUTER RACES TO HP6-5 (MIL-I-6868) OR KAYDON SPI 63-44-234-3-2; 100% HARDNESS INSPECT INNER AND OUTER RACES |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 13410001 | 32828 | KAYDON CORPORATION DBA KAYDON CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 15041001 | 32828 | KAYDON CORPORATION DBA KAYDON CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-311511103 | 8V613 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-311511103-3 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-311511103-3 | 58260 | PROGRAM MANAGER ADVANCED ATTACK HELICOPTER BARCOM AMCPM-AAH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-311511103-3 | 8V613 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-311511103-5 | 02731 | MCDONNELL DOUGLAS HELICOPTER CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-311511103-5 | 32828 | KAYDON CORPORATION DBA KAYDON CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7-311511103-5 | 8V613 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-15 | [SPE4A626PAB39](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3110013363525) | BEARING, BALL, ANNULAR | JAMAICA BEARINGS CO., INC. DBA JAMAICA BEARINGS CO., INC. | $1,402,276.70 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3110013363525&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3110013363525
- 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.

Canonical page: https://nsnexplorer.com/nsn/3110-01-336-3525/
JSON: https://nsnexplorer.com/api/nsn/3110-01-336-3525.json