The Piston,compressor, cataloged under National Stock Number 4310-00-471-0129, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-471-0129 |
| Primary Part Number | PST20 |
| Item Name | Piston,compressor |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY |
| Oil Groove | INCLUDED |
| Ring | NOT INCLUDED |
| Pin Hole Bushing | NOT INCLUDED |
| Head Style | CONCAVE |
| Skirt Bottom Cutaway Feature | NOT INCLUDED |
| Skirt Type | SOLID |
| Pin Type for Which Designed | LOCKED |
| Ring Groove Position and Quantity | NO. 1,NO. 2,AND NO. 3 POSITIONS PISTON |
| Distance From Pin Hole Center to Extreme Top | 1.750 INCHES NOMINAL IN |
| Distance Between Pin Bosses | 1.312 INCHES NOMINAL IN |
| Ring Groove Diameter | 1.421 INCHES NOMINAL IN |
| Integral Connecting Rod | NOT INCLUDED |
| Diameter | 2.750 INCHES NOMINAL IN |
| Surface Finish | SEMIFINISHED |
| Oil Passage Type | SLOT |
| Ring Groove Width | 0.062 INCHES NOMINAL AND 0.188 INCHES NOMINAL IN |
| Pin | INCLUDED |
| Retaining Ring Groove | INCLUDED |
| Pinhole Diameter | 0.875 INCHES NOMINAL IN |
| Ring Groove Quantity | 3 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| PST20 PRIMARY | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
NSN 4310-00-471-0129 is a Piston,compressor, manufactured by Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-00-471-0129 has 1 cross-referenced part number: PST20 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters).
There are 3 known substitutes for 4310-00-471-0129: 4310-00-167-9947, 4730-00-336-9266, 4130-00-776-6407. Verify interchangeability with system specifications before substitution.
Key specifications for PST20: Material: ALUMINUM ALLOY; Oil Groove: INCLUDED; Ring: NOT INCLUDED; Pin Hole Bushing: NOT INCLUDED. 22 total characteristics are documented in the Federal Logistics Information System.