The Ring,retaining, cataloged under National Stock Number 5325-00-933-9726, 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 9 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 | 5325-00-933-9726 |
| Primary Part Number | RR-975 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Spirolox Inc |
| Status | ACTIVE |
| Inside Diameter | 9.383 INCHES NOMINAL IN |
| Outside Diameter | 10.068 INCHES MINIMUM AND 10.133 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 302 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30302 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Ring Style | SPIRAL |
| Usage Design | EXTERNAL |
| Major Thickness | 0.082 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5325-00-933-9726 is a Ring,retaining, manufactured by Spirolox Inc, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-933-9726 has 3 cross-referenced part numbers: 725144 (American Standard Inc Westinghouse Air Brake Co Div), RR-975 (Spirolox Inc), RR975 (Zf Industrieantriebe Witten Gmbh).
There is 1 known substitute for 5325-00-933-9726: 5961-00-402-1694. Verify interchangeability with system specifications before substitution.
Key specifications for RR-975: Inside Diameter: 9.383 INCHES NOMINAL IN; Outside Diameter: 10.068 INCHES MINIMUM AND 10.133 INCHES MAXIMUM IN; Material: STEEL COMP 302; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 302 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 30302 ASSN STD SINGLE MATERIAL RESPONSE. 9 total characteristics are documented in the Federal Logistics Information System.