The Ring,retaining, cataloged under National Stock Number 5325-01-384-9540, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lips Propellers. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5325-01-384-9540 |
| Primary Part Number | M718700392 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lips Propellers |
| Status | ACTIVE |
| Material Hardness Rating | 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| Material Document and Classification | DIN 17222, DIN DEUTSCHES INSTITUTE NATIONAL STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 3.000 MILLIMETERS NOMINAL MM |
| Inside Diameter | 89.500 MILLIMETERS NOMINAL MM |
| Casehardening Indicator | NOT CASEHARDENED |
| 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 |
|---|---|
| DIN 471-95X3 | Din Deutsches Institut Fur Normung Ev (DEU) |
| M718700392 PRIMARY | Lips Propellers (USA) |
| Reference | Meaning |
|---|---|
| M718700392 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5325-01-384-9540 is a Ring,retaining, manufactured by Lips Propellers, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-384-9540 has 2 manufacturer part numbers on file: DIN 471-95X3 (Din Deutsches Institut Fur Normung Ev), M718700392 (Lips Propellers).
Key specifications for M718700392: Material Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; Material Document and Classification: DIN 17222, DIN DEUTSCHES INSTITUTE NATIONAL STD SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 9 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.