The Ring,piston, cataloged under National Stock Number 2805-01-338-2153, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Ramrod Industries Llc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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 | 2805-01-338-2153 |
| Primary Part Number | 721028 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — No Item Name Available |
| Manufacturer | Ramrod Industries Llc |
| Status | ACTIVE |
| Material | GLASS AND PLASTIC OVERALL |
| Standard Bore Diameter | 5.498 INCHES IN |
| Joint Style | DIAGONAL JOINT |
| Radial Wall Thickness | 0.1220 INCHES MINIMUM AND 0.1260 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Ring Style | CONCENTRIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2805-01-338-2153 is a Ring,piston, manufactured by Ramrod Industries Llc, classified under FSC 2805 (No Item Name Available). Status: active.
NSN 2805-01-338-2153 has 2 cross-referenced part numbers: 721XXX (Ramrod Industries Llc), 721028 (Ramrod Industries Llc).
There are 3 known substitutes for 2805-01-338-2153: 2805-01-335-7733, 3040-01-335-7734, 5310-01-352-8743. Verify interchangeability with system specifications before substitution.
Key specifications for 721028: Overall Width: 0.4950 INCHES MINIMUM AND 0.5050 INCHES MAXIMUM IN; Material: GLASS AND PLASTIC OVERALL; Standard Bore Diameter: 5.498 INCHES IN; Joint Style: DIAGONAL JOINT. 8 total characteristics are documented in the Federal Logistics Information System.