The Damper,vibration,compressor Bear, cataloged under National Stock Number 2840-01-034-4327, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2840-01-034-4327 |
| Primary Part Number | 6876315 |
| Item Name | Damper,vibration,compressor Bear |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL AMS6431,CASEHARDENED,1.1250 IN. MIN,1.255 IN. MAX OD,0.695 IN. NOM LG. 0.650 IN. NOM ID,1.013 IN. MIN,1015 IN. MAX DIA COUNTERBORE,0.250 IN. NOM W GROOVE ON OD LOCATED 0.140 IN. NOM DISTANCE FROM SMALLEST DIA END,12 SLOTS 0.185 IN. MIN,0.195. MAX W EQUALLY SPACED ON OD IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6876315 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6876315 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2840-01-034-4327 is a Damper,vibration,compressor Bear, manufactured by Rolls-Royce Corporation, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-034-4327 has 1 manufacturer part number on file: 6876315 (Rolls-Royce Corporation).
Key specifications for 6876315: General Characteristics Item Description: STEEL AMS6431,CASEHARDENED,1.1250 IN. MIN,1.255 IN. MAX OD,0.695 IN. NOM LG. 0.650 IN. NOM ID,1.013 IN. MIN,1015 IN. MAX DIA COUNTERBORE,0.250 IN. NOM W GROOVE ON OD LOCATED 0.140 IN. NOM DISTANCE FROM SMALLEST DIA END,12 SLOTS 0.185 IN. MIN,0.195. MAX W EQUALLY SPACED ON OD IN. 1 specification is 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.
NSN 2840-01-034-4327 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.