The Ring,retaining, cataloged under National Stock Number 5325-01-224-1558, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-224-1558 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Status | ACTIVE |
| Material Hardness Rating | 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM |
| Usage Design | EXTERNAL |
| Material Document and Classification | MIL-S-46049, COMP 1065 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-46049, COMP 1074 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-46049, COMP 1085 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-46049, COMP 1095 MIL SPEC 4TH MATERIAL RESPONSE |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 1.102 INCHES NOMINAL IN |
| Major Thickness | 0.040 INCHES MINIMUM AND 0.044 INCHES MAXIMUM IN |
| Inside Diameter | 0.919 INCHES MINIMUM AND 0.932 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPECIAL FLAT |
| Material | STEEL COMP 1065 OR STEEL COMP 1074 OR STEEL COMP 1085 OR STEEL COMP 1095 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| WSM-100 | 5/1 Secondary reference Smalley Steel Ring Co. |
| MIL-DTL-27426 | 4/1 Identification reference U.S. Government activity |
| M2742620114A | 2/2 Government specification standardization U.S. Government activity |
| RSN-100 | 5/1 Secondary reference U.S. Government activity |
| 2D3-976 ITEM 29 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 5325-01-224-1558 is a Ring,retaining, classified under FSC 5325, Fastening Devices. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5325-01-443-7609. Verify interchangeability with system specifications before substitution.
Key specifications for 5325-01-224-1558: Material Hardness Rating: 71.0 ROCKWELL A MINIMUM AND 77.5 ROCKWELL A MAXIMUM; Usage Design: EXTERNAL; Material Document and Classification: MIL-S-46049, COMP 1065 MIL SPEC 1ST MATERIAL RESPONSE AND MIL-S-46049, COMP 1074 MIL SPEC 2ND MATERIAL RESPONSE AND MIL-S-46049, COMP 1085 MIL SPEC 3RD MATERIAL RESPONSE AND MIL-S-46049, COMP 1095 MIL SPEC 4TH MATERIAL RESPONSE; Cross-Sectional Shape Style: DOUBLE OVAL. 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.