The Ring,retaining, cataloged under National Stock Number 5325-00-559-3901, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5325-00-559-3901 |
| Primary Part Number | 4L6943 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | CANCELLED |
| Cross-Sectional Shape Style | RECTANGULAR |
| Casehardening Indicator | NOT CASEHARDENED |
| Outside Diameter | 1.106 INCHES NOMINAL IN |
| Ring Style | STRAIGHT GAP |
| Material | STEEL |
| Inside Diameter | 0.950 INCHES NOMINAL IN |
| Usage Design | EXTERNAL |
| Major Thickness | 0.078 INCHES NOMINAL IN |
| End Style | 90 DEGREE PARALLEL |
| Material Hardness Rating | 46.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5325-00-559-3901 is a Ring,retaining, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5325 (No Item Name Available). Status: cancelled.
NSN 5325-00-559-3901 has 5 cross-referenced part numbers: 4019 (Husco International Inc), 4L6943 (Caterpillar Inc Div Caterpillar Defense), XSC138 (Mellowes Co Div of Charter Mfg Co Inc), 134607 (Komatsu American Intl Co), 134607 (Komatsu America Corp.).
There are 12 known substitutes for 5325-00-559-3901: 6240-00-065-0111, 3110-00-085-3686, 3110-00-100-3158 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4L6943: Cross-Sectional Shape Style: RECTANGULAR; Casehardening Indicator: NOT CASEHARDENED; Outside Diameter: 1.106 INCHES NOMINAL IN; Ring Style: STRAIGHT GAP. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5325-00-559-3901 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.