The Ring,retaining, cataloged under National Stock Number 5325-01-199-8141, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Doall Baltimore Company. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-199-8141 |
| Primary Part Number | 743-600306 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Doall Baltimore Company |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 1.2 MILLIMETERS NOMINAL MM |
| Inside Diameter | 18.08 MILLIMETERS MINIMUM AND 18.71 MILLIMETERS MAXIMUM MM |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Surface Treatment | NICKEL |
| 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 |
|---|---|
| 743-600306 PRIMARY | Doall Baltimore Company (USA) |
| DIN471-20-E | Rolls-Royce Solutions Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| DIN471-20-E | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5325-01-199-8141 is a Ring,retaining, manufactured by Doall Baltimore Company, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-199-8141 has 2 manufacturer part numbers on file: 743-600306 (Doall Baltimore Company), DIN471-20-E (Rolls-Royce Solutions Gmbh).
Key specifications for 743-600306: Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 1.2 MILLIMETERS NOMINAL MM; Inside Diameter: 18.08 MILLIMETERS MINIMUM AND 18.71 MILLIMETERS MAXIMUM MM. 8 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.