The Sleeve,splined, cataloged under National Stock Number 3020-01-254-1022, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Deere & Company Dba Deere John Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-254-1022 |
| Primary Part Number | T21819 |
| Item Name | Sleeve,splined |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Deere & Company Dba Deere John Co |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;1.610 IN. O/A LG;SLEEVE INTERNALLY SPLINED,12 SPLINES,20 DEG PA,1.840 IN. PD IN |
| 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 |
|---|---|
| T21819 PRIMARY | Deere & Company Dba Deere John Co (USA) |
| Reference | Meaning |
|---|---|
| T21819T | D/9 Drawing number reference only Deere & Co |
| T21819 | 5/9 Secondary reference Deere & Co |
NSN 3020-01-254-1022 is a Sleeve,splined, manufactured by Deere & Company Dba Deere John Co, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-254-1022 has 1 manufacturer part number on file: T21819 (Deere & Company Dba Deere John Co).
Key specifications for T21819: General Characteristics Item Description: STEEL;1.610 IN. O/A LG;SLEEVE INTERNALLY SPLINED,12 SPLINES,20 DEG PA,1.840 IN. PD IN; End Item Identification: 2420-00-567-0135. 1 specification is 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.