The Ring,piston, cataloged under National Stock Number 4310-01-021-1449, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Dover Resources Inc Dba C. Lee Cook Div. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-021-1449 |
| Primary Part Number | 40411 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Dover Resources Inc Dba C. Lee Cook Div |
| Status | ACTIVE |
| Joint Style | VERTICAL JOINT |
| Standard Bore Diameter | 8.125 INCHES IN |
| Radial Wall Thickness | 0.4430 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Cross-Sectional Shape Style | INSIDE BEVEL, UPPER, STRAIGHT FACE |
| Material | COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4310-01-021-1449 is a Ring,piston, manufactured by Dover Resources Inc Dba C. Lee Cook Div, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-01-021-1449 has 3 cross-referenced part numbers: 40411 (Dover Resources Inc Dba C. Lee Cook Div), 40411 (Sargent Aerospace & Defense, Llc Dba Airtomic Div Sargent), RNG1965 (Dresser-Rand Co Worthington Compressor Opn a Joint Venture).
There are 8 known substitutes for 4310-01-021-1449: 5961-00-038-6315, 3040-00-314-1430, 3040-00-447-6590 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 40411: Joint Style: VERTICAL JOINT; Standard Bore Diameter: 8.125 INCHES IN; Overall Width: 0.2460 INCHES NOMINAL IN; Radial Wall Thickness: 0.4430 INCHES NOMINAL IN. 7 total characteristics are documented in the Federal Logistics Information System.