The Ring Set,piston, cataloged under National Stock Number 4310-01-024-9858, 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 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-024-9858 |
| Primary Part Number | C87211 |
| Item Name | Ring Set,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Thomas Industries Inc Pneumotive Div |
| Status | ACTIVE |
| Ring Set Component Parts | COMPRESSION RING 2 |
| Piston Accommodation Quantity | 1 |
| Standard Bore Diameter | 1.312 INCHES IN |
| 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 |
|---|---|
| C87211 PRIMARY | Thomas Industries Inc Pneumotive Div (USA) |
| C87211-P PRIMARY | Fl Industries Inc Pneumotive Div (USA) |
| Reference | Meaning |
|---|---|
| C87211 | 5/9 Secondary reference Itt Bell and Gosset-Hydronics a Unit of Itt Fluid Handling Div |
| C87211 | 5/9 Secondary reference Fl Industries Inc Pneumotive Div |
NSN 4310-01-024-9858 is a Ring Set,piston, manufactured by Thomas Industries Inc Pneumotive Div, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-024-9858 has 2 manufacturer part numbers on file: C87211 (Thomas Industries Inc Pneumotive Div), C87211-P (Fl Industries Inc Pneumotive Div).
Key specifications for C87211: Ring Set Component Parts: COMPRESSION RING 2; Piston Accommodation Quantity: 1; Standard Bore Diameter: 1.312 INCHES IN; End Item Identification: GRUMMAN AIRCRAFT,MODEL A10. 3 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.