The Ring,piston, cataloged under National Stock Number 4310-01-314-6883, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Curtis-Toledo, Inc.. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-314-6883 |
| Primary Part Number | 70153-62050 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Curtis-Toledo, Inc. |
| Status | ACTIVE |
| Material Document and Classification | ASTM CL-40 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL |
| Joint Style | VERTICAL JOINT |
| Oil Passage Type and Quantity | 6 SLOT HORIZONTALLY THROUGH RING |
| Radial Wall Thickness | 2.2 MILLIMETERS MINIMUM AND 2.4 MILLIMETERS MAXIMUM MM |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 55.0 MILLIMETERS MM |
| Material | IRON OVERALL |
| 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 |
|---|---|
| 70153-62050 PRIMARY | Curtis-Toledo, Inc. (USA) |
NSN 4310-01-314-6883 is a Ring,piston, manufactured by Curtis-Toledo, Inc., classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-314-6883 has 1 manufacturer part number on file: 70153-62050 (Curtis-Toledo, Inc.).
Key specifications for 70153-62050: Overall Width: 3.47 MILLIMETERS MINIMUM AND 3.50 MILLIMETERS MAXIMUM MM; Material Document and Classification: ASTM CL-40 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: BEVELED FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL; Joint Style: VERTICAL JOINT. 8 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.