The Ring,bearing,inner, cataloged under National Stock Number 3110-01-643-9107, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Kamatics Corporation. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-643-9107 |
| Primary Part Number | KNRJ32-V-040-4 |
| Item Name | Ring,bearing,inner |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Kamatics Corporation |
| Status | ACTIVE |
| Material Document and Classification | 6AL4V PER AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE BALL |
| Outside Diameter | 2.3765 INCHES MINIMUM AND 2.3775 INCHES MAXIMUM IN |
| Bore Diameter | 2.0050 INCHES MINIMUM IN |
| Material | TITANIUM BALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4G10915 ITEM 003 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| KNRJ32-V-040-4 PRIMARY | Kamatics Corporation (USA) |
NSN 3110-01-643-9107 is a Ring,bearing,inner, manufactured by Kamatics Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-643-9107 has 2 manufacturer part numbers on file: 4G10915 ITEM 003 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), KNRJ32-V-040-4 (Kamatics Corporation).
Key specifications for KNRJ32-V-040-4: Material Document and Classification: 6AL4V PER AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE BALL; Outside Diameter: 2.3765 INCHES MINIMUM AND 2.3775 INCHES MAXIMUM IN; Special Features: LENGTH: 1.250 INCHES IN; Part Name Assigned by Controlling Agency: BEARING,JOURNAL. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.