The Ring,wearing, cataloged under National Stock Number 2935-01-187-8912, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2935-01-187-8912 |
| Primary Part Number | 9J0107 |
| Item Name | Ring,wearing |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Body Style | PLAIN |
| Body Outside Diameter | 3.250 INCHES NOMINAL IN |
| Body Inside Diameter | 3.122 INCHES MAXIMUM IN |
| Material | STEEL |
| 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 |
|---|---|
| 9J0107 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 9J107 | 5/9 Secondary reference Caterpillar Inc Div Caterpillar Defense |
NSN 2935-01-187-8912 is a Ring,wearing, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
NSN 2935-01-187-8912 has 1 manufacturer part number on file: 9J0107 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 9J0107: Body Style: PLAIN; Body Outside Diameter: 3.250 INCHES NOMINAL IN; Overall Length: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Body Inside Diameter: 3.122 INCHES MAXIMUM IN. 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.