The Ring,retaining, cataloged under National Stock Number 5325-00-281-6644, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Clark Material Handling Company. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-281-6644 |
| Primary Part Number | SK250-5 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — No Item Name Available |
| Manufacturer | Clark Material Handling Company |
| Status | ACTIVE |
| Ring Style | ANGULAR CAP |
| Material | STEEL COMP 1065 |
| Material Document and Classification | ASTM A576 FS1065 ASSN STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Casehardening Indicator | NOT CASEHARDENED |
| Material Hardness Rating | 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Usage Design | INTERNAL |
| Major Thickness | 0.092 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Outside Diameter | 4.125 INCHES NOMINAL IN |
| Inside Diameter | 3.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 33418 | Komatsu America Corporation (USA) |
| 3401 | Clark Equipment Co (USA) |
| SK250-5 PRIMARY | Clark Material Handling Company (USA) |
| 3401 PRIMARY | Clark Material Handling Company (USA) |
| 223856 | Clark Equipment Co (USA) |
| D33418 | Komatsu America Corporation (USA) |
| 33418 PRIMARY | Dressta North America Ltd (USA) |
| 8A6343 PRIMARY | Napco International Llc Dba Napco International Inc (USA) |
| 223856 | Clark Material Handling Company (USA) |
| SK250-5 | Clark Equipment Co (USA) |
NSN 5325-00-281-6644 is a Ring,retaining, manufactured by Clark Material Handling Company, classified under FSC 5325 (No Item Name Available). Status: active.
NSN 5325-00-281-6644 has 10 cross-referenced part numbers: 33418 (Komatsu America Corporation), 3401 (Clark Equipment Co), SK250-5 (Clark Material Handling Company), 3401 (Clark Material Handling Company), 223856 (Clark Equipment Co) and 5 more.
There are 9 known substitutes for 5325-00-281-6644: 5120-00-255-4458, 5950-00-995-3943, 6515-01-163-2662 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for SK250-5: Ring Style: ANGULAR CAP; Material: STEEL COMP 1065; Material Document and Classification: ASTM A576 FS1065 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 10 total characteristics are documented in the Federal Logistics Information System.