# NSN 3110-01-500-2507: Ring, Bearing, Inner

NSN 3110-01-500-2507 (also written 3110015002507; NIIN 01-500-2507) is a ring, bearing, inner in Federal Supply Class 3110, Bearings, Antifriction, Unmounted. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 3110-01-500-2507 (3110015002507)
- NIIN: 01-500-2507 (015002507)
- Item name: RING,BEARING,INNER
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABXV | BORE DIAMETER | INCHES MINIMUM 102.2450 AND INCHES MAXIMUM 102.4250 |
| AGAV | END ITEM IDENTIFICATION | M109 HOWITZER,2350-01-305-0028 |
| AGYE | SURFACE FINISH | GROUND |
| FEAT | SPECIAL FEATURES | QUENCH AND TEMPER THRU HARDEN TO ACHEIVE HRC 51 MIN SPEC MIL-H-6875 |
| MATT | MATERIAL | OVERALL STEEL CORROSION RESISTING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE AST-A580:420 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MIL STD SINGLE TREATMENT RESPONSE -IL-H-6875 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12910571 | 19200 | COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=3110015002507&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=3110015002507
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/3110-01-500-2507/
JSON: https://nsnexplorer.com/api/nsn/3110-01-500-2507.json