The Ring Set,piston, cataloged under National Stock Number 4310-00-375-2543, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4310-00-375-2543 |
| Primary Part Number | 1648-49 |
| Item Name | Ring Set,piston |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor |
| Status | CANCELLED |
| Ring Set Component Parts | COMPRESSION RING,1648P,56886,3; OIL RING,1649,56886,1 |
| Piston Accommodation Quantity | 1 |
| Standard Bore Diameter | 3.000 INCHES IN |
| FSC Application Data | AIR COMPRESSOR |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1648-49 PRIMARY | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
| 6452 PRIMARY | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
| 6545 | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
| 4425STD PRIMARY | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
NSN 4310-00-375-2543 is a Ring Set,piston, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 4310 (No Item Name Available). Status: cancelled.
NSN 4310-00-375-2543 has 4 cross-referenced part numbers: 1648-49 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 6452 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 6545 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 4425STD (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).
There are 12 known substitutes for 4310-00-375-2543: 5995-00-060-8446, 2540-00-122-4730, 5930-00-224-5661 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1648-49: Ring Set Component Parts: COMPRESSION RING,1648P,56886,3; OIL RING,1649,56886,1; Piston Accommodation Quantity: 1; Standard Bore Diameter: 3.000 INCHES IN; FSC Application Data: AIR COMPRESSOR. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 4310-00-375-2543 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.