The Ring,retaining, cataloged under National Stock Number 5325-00-406-0146, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Transdigm Inc Div Adelwiggins Group. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-406-0146 |
| Primary Part Number | 3615-20-19 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Usage Design | INTERNAL |
| Cross-Sectional Shape Style | DOUBLE OVAL |
| Outside Diameter | 1.468 INCHES MINIMUM AND 1.488 INCHES MAXIMUM IN |
| Major Thickness | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Inside Diameter | 1.250 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | SPIRAL |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 3615-20-19 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| Reference | Meaning |
|---|---|
| 2601731-2 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 5325-00-406-0146 is a Ring,retaining, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-406-0146 has 1 manufacturer part number on file: 3615-20-19 (Transdigm Inc Div Adelwiggins Group).
Key specifications for 3615-20-19: Usage Design: INTERNAL; Cross-Sectional Shape Style: DOUBLE OVAL; Outside Diameter: 1.468 INCHES MINIMUM AND 1.488 INCHES MAXIMUM IN; Major Thickness: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM 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.