The Ring,retaining, cataloged under National Stock Number 5325-01-042-9359, 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 7 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 | 5325-01-042-9359 |
| Primary Part Number | US-50 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Spirolox Inc |
| Status | ACTIVE |
| Major Thickness | 0.0165 INCHES MINIMUM AND 0.0195 INCHES MAXIMUM IN |
| Outside Diameter | 0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN |
| Ring Style | SPECIAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Usage Design | EXTERNAL |
| Casehardening Indicator | NOT CASEHARDENED |
| Inside Diameter | 0.454 INCHES MINIMUM AND 0.467 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11578373 | Army, United States Department of the Dba Watervliet Arsenal Div Business Development (USA) |
| US-50 PRIMARY | Spirolox Inc (USA) |
| XX002-5882 | Rdm Technology B.v. (NLD) |
NSN 5325-01-042-9359 is a Ring,retaining, manufactured by Spirolox Inc, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-01-042-9359 has 3 cross-referenced part numbers: 11578373 (Army, United States Department of the Dba Watervliet Arsenal Div Business Development), US-50 (Spirolox Inc), XX002-5882 (Rdm Technology B.v.).
There is 1 known substitute for 5325-01-042-9359: 2920-00-870-7337. Verify interchangeability with system specifications before substitution.
Key specifications for US-50: Major Thickness: 0.0165 INCHES MINIMUM AND 0.0195 INCHES MAXIMUM IN; Outside Diameter: 0.544 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN; Ring Style: SPECIAL; Cross-Sectional Shape Style: RECTANGULAR. 7 total characteristics are documented in the Federal Logistics Information System.