The Ring,piston, cataloged under National Stock Number 4310-01-155-5724, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Vertex Modernization and Sustainment Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Ring,piston |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Double Seal Ring Co (CAGE 71975); Vertex Modernization and Sustainment Llc (CAGE 072E5) |
| Parameter | Value |
|---|---|
| NSN | 4310-01-155-5724 |
| Primary Part Number | 3930AS1610-C22P |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Vertex Modernization and Sustainment Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| DS8015C22P | Double Seal Ring Co (USA) |
| 3930AS1610-C22P PRIMARY | Vertex Modernization and Sustainment Llc (USA) |
| Reference | Meaning |
|---|---|
| 10110555 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| J8-994P | 5/2 Secondary reference U.S. Government activity |
| 3930AS1610-C22P | 5/9 Secondary reference Jbk Manufacturing, Llc Dba J B K Manufacturing & Development |
| 3930AS1610-C22P | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 3930AS1610-C22P | 5/2 Secondary reference U.S. Government activity |
| FR84C22P | 5/2 Secondary reference U.S. Government activity |
| ST7M342C22P | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 4310-01-155-5724 is a Ring,piston, manufactured by Vertex Modernization and Sustainment Llc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-155-5724 has 2 manufacturer part numbers on file: DS8015C22P (Double Seal Ring Co), 3930AS1610-C22P (Vertex Modernization and Sustainment Llc).
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.