The Piston,compressor, cataloged under National Stock Number 4310-00-821-8003, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-821-8003 |
| Primary Part Number | 8643X |
| Item Name | Piston,compressor |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor |
| Status | ACTIVE |
| Ring Groove Quantity | 1 AND 3 |
| Head Style | FLAT |
| Oil Passage Type | HOLE |
| Ring Groove Width | 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM AND 0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN |
| Ring | INCLUDED |
| FSC Application Data | AIR COMPRESSOR,STATIONARY,RECEIVER MTD |
| Ring Groove Position and Quantity | NO. 1,NO. 2,NO. 3 AND NO. 4 POSITIONS PISTON |
| Integral Connecting Rod | NOT INCLUDED |
| Distance From Pin Hole Center to Extreme Top | 1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN |
| Pin Hole Bushing | NOT INCLUDED |
| Retaining Ring Groove | NOT INCLUDED |
| Pin | INCLUDED |
| Material | ALUMINUM |
| Skirt Type | SOLID |
| Pinhole Diameter | 0.8747 INCHES MINIMUM AND 0.8749 INCHES MAXIMUM IN |
| Surface Finish | FINISHED |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Oil Groove | INCLUDED |
| Finished Size Designation | STANDARD |
| Diameter | 4.500 INCHES NOMINAL IN |
| Pin Type for Which Designed | LOCKED |
| Ring Groove Diameter | 4.037 INCHES MINIMUM AND 4.047 INCHES MAXIMUM AND 4.077 INCHES MINIMUM AND 4.087 INCHES MAXIMUM IN |
| Distance Between Pin Bosses | 1.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5152X | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
| 8643X PRIMARY | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
| 8724 | Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA) |
NSN 4310-00-821-8003 is a Piston,compressor, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-00-821-8003 has 3 cross-referenced part numbers: 5152X (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 8643X (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor), 8724 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).
There are 10 known substitutes for 4310-00-821-8003: 2920-00-019-6103, 6145-00-104-6047, 6145-00-144-0918 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8643X: Ring Groove Quantity: 1 AND 3; Head Style: FLAT; Oil Passage Type: HOLE; Ring Groove Width: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM AND 0.1250 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN. 24 total characteristics are documented in the Federal Logistics Information System.