The Ring,retaining, cataloged under National Stock Number 5325-00-405-5669, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Metric and Multistandard Components Corp. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-405-5669 |
| Primary Part Number | 4MMDIN6799 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Metric and Multistandard Components Corp |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.7 MILLIMETERS NOMINAL MM |
| Inside Diameter | 4.0 MILLIMETERS NOMINAL MM |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | E |
| 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 |
|---|---|
| 4MMDIN6799 PRIMARY | Metric and Multistandard Components Corp (USA) |
NSN 5325-00-405-5669 is a Ring,retaining, manufactured by Metric and Multistandard Components Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-405-5669 has 1 manufacturer part number on file: 4MMDIN6799 (Metric and Multistandard Components Corp).
Key specifications for 4MMDIN6799: Usage Design: EXTERNAL; Cross-Sectional Shape Style: RECTANGULAR; Major Thickness: 0.7 MILLIMETERS NOMINAL MM; Inside Diameter: 4.0 MILLIMETERS NOMINAL MM. 7 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.