The Ring,retaining, cataloged under National Stock Number 5325-01-390-0107, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Din Deutsches Institut Fur Normung Ev. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-390-0107 |
| Primary Part Number | DIN 471-48X1.75 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Din Deutsches Institut Fur Normung Ev |
| Status | ACTIVE |
| Material Hardness Rating | 47.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 1.750 MILLIMETERS NOMINAL MM |
| Inside Diameter | 44.500 MILLIMETERS NOMINAL MM |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Material | STEEL CORROSION RESISTING |
| 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 471-48X1.75 | Din Deutsches Institut Fur Normung Ev (DEU) |
| DIN471 A48 | Cirteq Ltd (GBR) |
| Reference | Meaning |
|---|---|
| AO.1162 ITEM 41 | C/1 Advisory reference — outside the item-of-supply concept Davit Intl |
| A0.1162 ITEM 41 | 5/9 Secondary reference Davit Intl |
| A0.1162 ITEM 41 | 3/9 Design control — primary reference Davit Intl |
NSN 5325-01-390-0107 is a Ring,retaining, manufactured by Din Deutsches Institut Fur Normung Ev, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-390-0107 has 2 manufacturer part numbers on file: DIN 471-48X1.75 (Din Deutsches Institut Fur Normung Ev), DIN471 A48 (Cirteq Ltd).
Key specifications for DIN 471-48X1.75: Material Hardness Rating: 47.0 ROCKWELL C MINIMUM AND 54.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 1.750 MILLIMETERS NOMINAL 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.