The Seal Ring,bearing, cataloged under National Stock Number 2840-01-150-6659, 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 Kaydon Ring & Seal Inc Dba Skf Precision Technologies. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-150-6659 |
| Primary Part Number | 4054T98P01 |
| Item Name | Seal Ring,bearing |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Kaydon Ring & Seal Inc Dba Skf Precision Technologies |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON,AMS7310; 7.519 IN. MIN 7.520 IN. MAX OD; 7.420 IN. MIN,7.429 IN. MAX ID; WALL THK 0.090 IN. MIN,0.100 IN. MAX; 0.088 IN. MIN,0.091 IN. MAX W IN |
| 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 |
|---|---|
| 4054T98P01 PRIMARY | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| Reference | Meaning |
|---|---|
| A7461 | 5/1 Secondary reference Kaydon Ring & Seal Inc Dba Skf Precision Technologies |
| 4054T98 | D/9 Drawing number reference only U.S. Government activity |
| 4054T98P01 | 3/2 Design control — primary reference U.S. Government activity |
| 10158654 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4054T98P01 99207 | 1/2 Source control — Government-approved source U.S. Government activity |
| A7461E00 | 5/9 Secondary reference Kaydon Ring & Seal Inc Dba Skf Precision Technologies |
NSN 2840-01-150-6659 is a Seal Ring,bearing, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-01-150-6659 has 1 manufacturer part number on file: 4054T98P01 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies).
Key specifications for 4054T98P01: General Characteristics Item Description: CAST IRON,AMS7310; 7.519 IN. MIN 7.520 IN. MAX OD; 7.420 IN. MIN,7.429 IN. MAX ID; WALL THK 0.090 IN. MIN,0.100 IN. MAX; 0.088 IN. MIN,0.091 IN. MAX W 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.
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.