The Ring,retaining, cataloged under National Stock Number 5325-01-301-4190, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-301-4190 |
| Primary Part Number | MS3215-1009 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Material Hardness Rating | 84.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM |
| Usage Design | EXTERNAL |
| Material Document and Classification | FED STD 66, COMP 1066 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 11TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 12TH MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN |
| Inside Diameter | 0.069 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | E |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL COMP 1566 OR STEEL COMP 1069 OR STEEL COMP 1070 OR STEEL COMP 1572 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090 |
| 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 |
|---|---|
| MS3215-1009 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS3215-1009 | 5/9 Secondary reference U.S. Government activity |
| MS3215-1009 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5325-01-301-4190 is a Ring,retaining, manufactured by Sae International Dba Sae International, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-301-4190 has 1 manufacturer part number on file: MS3215-1009 (Sae International Dba Sae International).
Key specifications for MS3215-1009: Material Hardness Rating: 84.5 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM; Usage Design: EXTERNAL; Material Document and Classification: FED STD 66, COMP 1066 FED STD 1ST MATERIAL RESPONSE OR FED STD 66, COMP 1069 FED STD 2ND MATERIAL RESPONSE OR FED STD 66, COMP 1070 FED STD 3RD MATERIAL RESPONSE OR FED STD 66, COMP 1072 FED STD 4TH MATERIAL RESPONSE OR FED STD 66, COMP 1074 FED STD 5TH MATERIAL RESPONSE OR FED STD 66, COMP 1075 FED STD 6TH MATERIAL RESPONSE OR FED STD 66, COMP 1078 FED STD 7TH MATERIAL RESPONSE OR FED STD 66, COMP 1080 FED STD 8TH MATERIAL RESPONSE OR FED STD 66, COMP 1084 FED STD 9TH MATERIAL RESPONSE OR FED STD 66, COMP 1085 FED STD 10TH MATERIAL RESPONSE OR FED STD 66, COMP 1086 FED STD 11TH MATERIAL RESPONSE OR FED STD 66, COMP 1090 FED STD 12TH MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR. 10 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.