The Ring,retaining, cataloged under National Stock Number 5325-01-568-3383, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lidan Marine Ab. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-568-3383 |
| Primary Part Number | 1236821 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lidan Marine Ab |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 2.0 MILLIMETERS NOMINAL MM |
| Inside Diameter | 57.8 MILLIMETERS NOMINAL MM |
| Ring Style | EXTERNAL |
| 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 |
|---|---|
| 1236821 PRIMARY | Lidan Marine Ab (SWE) |
| 16711 ITEM 7 | Lidan Marine Ab (SWE) |
| Reference | Meaning |
|---|---|
| 1236821 | 3/9 Design control — primary reference Lidan Marine Ab |
| 16711 ITEM 7 | 5/9 Secondary reference Lidan Marine Ab |
NSN 5325-01-568-3383 is a Ring,retaining, manufactured by Lidan Marine Ab, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-568-3383 has 2 manufacturer part numbers on file: 1236821 (Lidan Marine Ab), 16711 ITEM 7 (Lidan Marine Ab).
Key specifications for 1236821: Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 2.0 MILLIMETERS NOMINAL MM; Inside Diameter: 57.8 MILLIMETERS NOMINAL MM. 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.