The Piston,compressor, cataloged under National Stock Number 4310-00-835-2808, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4310-00-835-2808 |
| Item Name | Piston,compressor |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Status | ACTIVE |
| FSC Application Data | ACCUMULATOR ASSY,HYDRAULIC,AIRCRAFT |
| Ring Groove Width | 0.400 INCHES NOMINAL AND 0.110 INCHES NOMINAL IN |
| Integral Connecting Rod | NOT INCLUDED |
| Retaining Ring Groove | NOT INCLUDED |
| Surface Finish | FINISHED |
| Ring Groove Position and Quantity | NO.1,NO. 2 PISTON |
| Oil Passage Type | HOLE |
| Diameter | 2.000 INCHES NOMINAL IN |
| Ring Groove Diameter | 1.649 INCHES NOMINAL AND 1.760 INCHES NOMINAL IN |
| Pin | NOT INCLUDED |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 2 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM |
| Skirt Type | SOLID |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 60074 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4310-00-835-2808 is a Piston,compressor, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-221-1638, 5130-01-474-4881. Verify interchangeability with system specifications before substitution.
Key specifications for 4310-00-835-2808: Overall Height: 1.070 INCHES NOMINAL IN; FSC Application Data: ACCUMULATOR ASSY,HYDRAULIC,AIRCRAFT; Ring Groove Width: 0.400 INCHES NOMINAL AND 0.110 INCHES NOMINAL IN; Integral Connecting Rod: NOT INCLUDED. 19 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.
NSN 4310-00-835-2808 has DEMIL Code B. 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.