The Ring,retaining, cataloged under National Stock Number 5325-01-135-9617, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Rosomak S.a. Government technical data includes 10 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5325-01-135-9617 |
| Primary Part Number | MS 3217-1066 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Rosomak S.a |
| Status | ACTIVE |
| Usage Design | EXTERNAL |
| Surface Treatment Document and Classification | QQ-P-416, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE |
| Material Document and Classification | FED STD 66 SAE 1070 OR 1074 OR 1078 OR 1080 OR 1084 OR 1085 OR 1086 OR 1090 FED STD SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN |
| Inside Diameter | 0.659 INCHES MINIMUM AND 0.674 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | EXTERNAL |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 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 |
|---|---|
| MS 3217-1066 | Rosomak S.a (POL) |
| 2 0040-333 | Bae Systems Hagglunds Aktiebolag (SWE) |
| Reference | Meaning |
|---|---|
| 10186986 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| MS3217-1066 | 2/2 Government specification standardization U.S. Government activity |
| 2 0040-333 | 5/9 Secondary reference Bae Systems Hagglunds Ab |
NSN 5325-01-135-9617 is a Ring,retaining, manufactured by Rosomak S.a, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-135-9617 has 2 manufacturer part numbers on file: MS 3217-1066 (Rosomak S.a), 2 0040-333 (Bae Systems Hagglunds Aktiebolag).
Key specifications for MS 3217-1066: Usage Design: EXTERNAL; Surface Treatment Document and Classification: QQ-P-416, TYPE 2, CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE; Material Document and Classification: FED STD 66 SAE 1070 OR 1074 OR 1078 OR 1080 OR 1084 OR 1085 OR 1086 OR 1090 FED STD SINGLE 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.