The Seat,bearing, cataloged under National Stock Number 3110-01-138-9645, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Brp Us Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-138-9645 |
| Primary Part Number | 317165 |
| Item Name | Seat,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Style Designator | FLAT RACE SURFACE |
| Material Document and Classification | 66,AISI/SAE E52100 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 3.2200 INCHES MINIMUM AND 3.2400 INCHES MAXIMUM IN |
| Bore Diameter | 2.1270 INCHES MINIMUM AND 2.1420 INCHES MAXIMUM IN |
| Material | STEEL COMP E52100 OVERALL |
| 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 |
|---|---|
| JD45945 | Timken Aerospace, Inc Dba Torrington Product (USA) |
| M2086BH | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 317165 PRIMARY | Brp Us Inc (USA) |
| Reference | Meaning |
|---|---|
| 317165 | C/1 Advisory reference — outside the item-of-supply concept Evinrude Motors Product Group of Outboard Marine Corp |
| 317165 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-138-9645 is a Seat,bearing, manufactured by Brp Us Inc, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-138-9645 has 3 manufacturer part numbers on file: JD45945 (Timken Aerospace, Inc Dba Torrington Product), M2086BH (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 317165 (Brp Us Inc).
Key specifications for 317165: Style Designator: FLAT RACE SURFACE; Material Document and Classification: 66,AISI/SAE E52100 FED STD SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.1860 INCHES MINIMUM AND 0.1870 INCHES MAXIMUM IN; Outside Diameter: 3.2200 INCHES MINIMUM AND 3.2400 INCHES MAXIMUM IN. 5 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.