The Piston,compressor, cataloged under National Stock Number 4310-01-040-7682, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Rix Industries. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-040-7682 |
| Primary Part Number | 708-C818 |
| Item Name | Piston,compressor |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| Integral Connecting Rod | NOT INCLUDED |
| Retaining Ring Groove | INCLUDED |
| Surface Finish | FINISHED |
| Ring Groove Position and Quantity | NO. 5 RING GROOVE PISTON |
| Pin | NOT INCLUDED |
| Pin Type for Which Designed | FLOATING |
| Head Style | FLAT |
| Ring Groove Quantity | 5 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| Skirt Type | SOLID |
| 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 |
|---|---|
| 708-C818 PRIMARY | Rix Industries (USA) |
| Reference | Meaning |
|---|---|
| D952 ITEM 13 | 5/9 Secondary reference Rix Industries |
| D952 | D/9 Drawing number reference only Rix Industries |
NSN 4310-01-040-7682 is a Piston,compressor, manufactured by Rix Industries, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-040-7682 has 1 manufacturer part number on file: 708-C818 (Rix Industries).
5 possible matches (shared part number, not a government interchangeability claim): 4310-01-040-7722, 4310-01-041-0430, 4310-01-041-1446. Verify interchangeability with system specifications before substitution.
Key specifications for 708-C818: Integral Connecting Rod: NOT INCLUDED; Retaining Ring Groove: INCLUDED; Surface Finish: FINISHED; Ring Groove Position and Quantity: NO. 5 RING GROOVE PISTON. 13 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.