The Ring,piston, cataloged under National Stock Number 4310-01-218-9003, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4310-01-218-9003 |
| Primary Part Number | 682742 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| FSC Application Data | VALVE,CONTROL P/N571756 |
| Supplementary Features | OUTSIDE DIA. 1.240 IN.; 0.120 IN. W; PROVIDES SEALING 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 |
|---|---|
| 682742 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| Reference | Meaning |
|---|---|
| 472897 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
NSN 4310-01-218-9003 is a Ring,piston, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-218-9003 has 1 manufacturer part number on file: 682742 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for 682742: FSC Application Data: VALVE,CONTROL P/N571756; Supplementary Features: OUTSIDE DIA. 1.240 IN.; 0.120 IN. W; PROVIDES SEALING IN; End Item Identification: B-1B ACFT. 2 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.