The Ring,retaining, cataloged under National Stock Number 5325-01-215-0220, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telephonics Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-215-0220 |
| Primary Part Number | R235A071-1 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Telephonics Corp |
| Status | ACTIVE |
| Material Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | AISI 1060 ASSN STD SINGLE MATERIAL RESPONSE |
| Material | STEEL COMP 1060 |
| Surface Treatment Document and Classification | MIL-C-81562,CLASS 2,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Surface Treatment | CADMIUM AND CHROMATE |
| Outside Diameter | 0.216 INCHES NOMINAL IN |
| End Style | 90 DEGREE PARALLEL |
| Inside Diameter | 0.162 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Major Thickness | 0.020 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN |
| Usage Design | EXTERNAL |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Cross-Sectional Shape Style | RECTANGULAR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| R235A071-1 PRIMARY | Telephonics Corp (USA) |
| SR3 | Southco Inc (USA) |
NSN 5325-01-215-0220 is a Ring,retaining, manufactured by Telephonics Corp, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-01-215-0220 has 2 cross-referenced part numbers: R235A071-1 (Telephonics Corp), SR3 (Southco Inc).
There are 6 known substitutes for 5325-01-215-0220: 3110-00-157-1940, 3120-00-339-3723, 3110-00-554-0815 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for R235A071-1: Material Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM; Material Document and Classification: AISI 1060 ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL COMP 1060; Surface Treatment Document and Classification: MIL-C-81562,CLASS 2,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE. 13 total characteristics are documented in the Federal Logistics Information System.