The Piston,compressor, cataloged under National Stock Number 4310-01-078-4265, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Thomas Industries Inc Pneumotive Div. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4310-01-078-4265 |
| Primary Part Number | C87833 |
| Item Name | Piston,compressor |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Thomas Industries Inc Pneumotive Div |
| Status | ACTIVE |
| Ring Groove Width | 0.125 INCHES NOMINAL IN |
| Distance Between Pin Bosses | 1.505 INCHES NOMINAL IN |
| Integral Connecting Rod | INCLUDED |
| Retaining Ring Groove | NOT INCLUDED |
| Surface Finish | FINISHED |
| Ring Groove Position and Quantity | NO. 1,AND NO. 2 POSITIONS PISTON |
| Oil Passage Type | HOLE |
| Diameter | 2.250 INCHES NOMINAL IN |
| Ring Groove Diameter | 1.980 INCHES NOMINAL IN |
| Distance From Pin Hole Center to Extreme Top | 1.005 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Pin Type for Which Designed | LOCKED |
| Oil Groove | NOT INCLUDED |
| Head Style | FLAT |
| Ring Groove Quantity | 2 |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Finished Size Designation | STANDARD |
| Ring | NOT INCLUDED |
| Pinhole Diameter | 0.500 INCHES NOMINAL IN |
| Pin Hole Bushing | 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 |
|---|---|
| C87833 PRIMARY | Thomas Industries Inc Pneumotive Div (USA) |
| Reference | Meaning |
|---|---|
| C87833 | 5/9 Secondary reference Fl Industries Inc Pneumotive Div |
NSN 4310-01-078-4265 is a Piston,compressor, manufactured by Thomas Industries Inc Pneumotive Div, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-078-4265 has 1 manufacturer part number on file: C87833 (Thomas Industries Inc Pneumotive Div).
Key specifications for C87833: Overall Height: 1.582 INCHES NOMINAL IN; Ring Groove Width: 0.125 INCHES NOMINAL IN; Distance Between Pin Bosses: 1.505 INCHES NOMINAL IN; Integral Connecting Rod: INCLUDED. 22 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.