The Expander,seal Ring, cataloged under National Stock Number 2840-01-123-2258, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-01-123-2258 |
| Primary Part Number | 83583 |
| Item Name | Expander,seal Ring |
| 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 | NIKEL ALLOY,AMS5699,OCTAGON SH APE,0.157 IN,NOM W,0.018 IN. NOM MATERIAL THICKNESS 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 |
|---|---|
| 83583 PRIMARY | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| Reference | Meaning |
|---|---|
| 10158409 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| PR441977 | 3/2 Design control — primary reference U.S. Government activity |
| 3039T49P01 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 2840-01-123-2258 is a Expander,seal Ring, 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 2840-01-123-2258 has 1 manufacturer part number on file: 83583 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies).
Key specifications for 83583: General Characteristics Item Description: NIKEL ALLOY,AMS5699,OCTAGON SH APE,0.157 IN,NOM W,0.018 IN. NOM MATERIAL THICKNESS IN; End Item Identification: ENGINE MODEL F404 COMPRESSOR MODU. 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 2840-01-123-2258 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.