The Ring,retaining, cataloged under National Stock Number 5325-01-581-9329, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rotor Clip Company, Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-581-9329 |
| Primary Part Number | HO-181 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rotor Clip Company, Inc. |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Diameter | 2.012 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | ROUND |
| Outside Diameter | 2.012 INCHES NOMINAL IN |
| Ring Style | INTERNAL |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3-6065 ITEM 43 | Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc (USA) |
| HO-181 PRIMARY | Rotor Clip Company, Inc. (USA) |
| PT044-009 | Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc (USA) |
NSN 5325-01-581-9329 is a Ring,retaining, manufactured by Rotor Clip Company, Inc., classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-581-9329 has 3 manufacturer part numbers on file: 3-6065 ITEM 43 (Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc), HO-181 (Rotor Clip Company, Inc.), PT044-009 (Kahlenberg Industries, Inc. Dba Kahlenberg Industries Inc).
Key specifications for HO-181: Usage Design: INTERNAL; Material Diameter: 2.012 INCHES NOMINAL IN; Cross-Sectional Shape Style: ROUND; Outside Diameter: 2.012 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.