The Piston Assy 3rd Stage, cataloged under National Stock Number 4310-01-571-1812, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Piston Assy 3rd Stage |
| FSC / FSG | 4310 — Compressors and Vacuum Pumps (FSG 43) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4310-01-571-1812 |
| Primary Part Number | B8745 ITEM 18 OXYGEN CLEANCP |
| Item Name | Piston Assy 3rd Stage |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| B8745 ITEM 18 OXYGEN CLEANCP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| B8745 ITEM 18 OXYGEN CLEAN | 5/1 Secondary reference Rix Industries |
| A8-B8504 OXYGEN CLEAN | 5/9 Secondary reference Rix Industries |
| A8-B8504 OXYGEN CLEAN CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| XMAS-B8504 | 3/1 Design control — primary reference Rix Industries |
| B8504 | D/9 Drawing number reference only Rix Industries |
NSN 4310-01-571-1812 is a Piston Assy 3rd Stage, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-571-1812 has 1 manufacturer part number on file: B8745 ITEM 18 OXYGEN CLEANCP (Naval Inventory Control Point Mechanicsburg).
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.