The Ring,retaining, cataloged under National Stock Number 5325-01-219-3820, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Deere & Co. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-01-219-3820 |
| Primary Part Number | T19810 |
| Item Name | Ring,retaining |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| Material Hardness Rating | 42.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Usage Design | EXTERNAL |
| End Style | VERTEX OUTSIDE PERIPHERY |
| Material Document and Classification | JDMA 15-8, JOHN DEERE AND CO MFR REF SINGLE MATERIAL RESPONSE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Major Thickness | 0.076 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Ring Style | STRAIGHT GAP |
| Material | STEEL |
| 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 |
|---|---|
| T19810 PRIMARY | Deere & Co (USA) |
NSN 5325-01-219-3820 is a Ring,retaining, manufactured by Deere & Co, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-01-219-3820 has 1 manufacturer part number on file: T19810 (Deere & Co).
Key specifications for T19810: Material Hardness Rating: 42.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Usage Design: EXTERNAL; End Style: VERTEX OUTSIDE PERIPHERY; Material Document and Classification: JDMA 15-8, JOHN DEERE AND CO MFR REF SINGLE MATERIAL RESPONSE. 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.