The Ring,retaining, cataloged under National Stock Number 5325-01-715-1644, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Smalley Steel Ring Co.. Government technical data includes 5 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-715-1644 |
| Primary Part Number | ES20 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Smalley Steel Ring Co. |
| Status | ACTIVE |
| End Style | DIAGONAL PARALLEL |
| Outside Diameter | 20.0 MILLIMETERS NOMINAL MM |
| Cross-Sectional Shape Style | ROUND |
| Minor Thickness | 1.07 MILLIMETERS NOMINAL MM |
| Inside Diameter | 18.62 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ES20 PRIMARY | Smalley Steel Ring Co. (USA) |
NSN 5325-01-715-1644 is a Ring,retaining, manufactured by Smalley Steel Ring Co., classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-01-715-1644 has 1 cross-referenced part number: ES20 (Smalley Steel Ring Co.).
There are 2 known substitutes for 5325-01-715-1644: 6515-01-396-7363, 4310-01-674-8546. Verify interchangeability with system specifications before substitution.
Key specifications for ES20: End Style: DIAGONAL PARALLEL; Outside Diameter: 20.0 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: ROUND; Minor Thickness: 1.07 MILLIMETERS NOMINAL MM. 5 total characteristics are documented in the Federal Logistics Information System.