The Ring,retaining, cataloged under National Stock Number 5325-00-515-0603, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Spirolox Inc. Government technical data includes 11 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-515-0603 |
| Primary Part Number | RS66S |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Spirolox Inc |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Material | STEEL |
| Material Document and Classification | AISI 18-8, TYPE 3 ASSN STD SINGLE MATERIAL RESPONSE |
| Strength Rating | ERR-060 |
| Ring Style | SPIRAL |
| Major Thickness | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Outside Diameter | 0.739 INCHES NOMINAL IN |
| Material Hardness Rating | 59.3 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 67.2 ROCKWELL C MAXIMUM |
| Inside Diameter | 0.616 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Casehardening Indicator | NOT CASEHARDENED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| RS66S PRIMARY | Spirolox Inc (USA) |
| 5365005150603 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 11699900-158 | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5325-00-515-0603 is a Ring,retaining, manufactured by Spirolox Inc, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-515-0603 has 3 cross-referenced part numbers: RS66S (Spirolox Inc), 5365005150603 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 11699900-158 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
There is 1 known substitute for 5325-00-515-0603: 5325-00-839-0758. Verify interchangeability with system specifications before substitution.
Key specifications for RS66S: Usage Design: EXTERNAL; Material: STEEL; Material Document and Classification: AISI 18-8, TYPE 3 ASSN STD SINGLE MATERIAL RESPONSE; Strength Rating: ERR-060. 11 total characteristics are documented in the Federal Logistics Information System.