The Retainer,bearing, cataloged under National Stock Number 2840-01-131-4760, 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 Union Machine Co of Lynn, Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-131-4760 |
| Primary Part Number | 4055T74P02 |
| Item Name | Retainer,bearing |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Union Machine Co of Lynn, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,INCONEL ALLOY 718; 8 HOLES,0.280 IN. MIN,0.287 IN. MAX DIA,7.410 IN. MIN,7.420 IN. MAX OD,5.212 IN. MIN,5.222 IN. MAX ID,0.130 IN. MIN0.140 IN. MAX THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4055T74P02 | Union Machine Co of Lynn, Inc (USA) |
| Reference | Meaning |
|---|---|
| 10158508 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4055T74P02 | 5/1 Secondary reference Berkshire Industries, Inc. |
| 4055T74P02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2840-01-131-4760 is a Retainer,bearing, manufactured by Union Machine Co of Lynn, Inc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-131-4760 has 1 manufacturer part number on file: 4055T74P02 (Union Machine Co of Lynn, Inc).
Key specifications for 4055T74P02: General Characteristics Item Description: CRES,INCONEL ALLOY 718; 8 HOLES,0.280 IN. MIN,0.287 IN. MAX DIA,7.410 IN. MIN,7.420 IN. MAX OD,5.212 IN. MIN,5.222 IN. MAX ID,0.130 IN. MIN0.140 IN. MAX THK IN; End Item Identification: ENGINE MODEL F404-GE-400. 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 2840-01-131-4760 has DEMIL Code D. 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.