The Ring,retaining, cataloged under National Stock Number 5325-01-358-5675, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-358-5675 |
| Primary Part Number | A-3305-Y-1143 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Material Document and Classification | QQ-A-250/11, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 1.625 INCHES NOMINAL IN |
| Major Thickness | 1.000 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | DOUBLE LEG OFFSET |
| Surface Treatment | CHROMATE |
| Material | ALUMINUM ALLOY 6061 |
| 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 |
|---|---|
| A-3305-Y-1143 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| A-3305-Y-1143 | Meritor Industrial Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 21049296-101 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5325-01-358-5675 is a Ring,retaining, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-358-5675 has 2 manufacturer part numbers on file: A-3305-Y-1143 (Meritor Heavy Vehicle Systems, Llc), A-3305-Y-1143 (Meritor Industrial Products, Llc).
Key specifications for A-3305-Y-1143: Usage Design: INTERNAL; Material Document and Classification: QQ-A-250/11, ALLOY 6061, T651 FED SPEC SINGLE MATERIAL RESPONSE; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 1.625 INCHES NOMINAL IN. 9 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.