The Chain,roller, cataloged under National Stock Number 3020-01-283-1937, 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 Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-283-1937 |
| Primary Part Number | 33364-11 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.2000 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.0800 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.4000 INCHES IN |
| Second Chain Link Style | PIN |
| Effective Length | 11.0000 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 0.5350 INCHES IN |
| First Chain Link Style | ROLLER |
| First Chain Link Plate Width | 0.594 INCHES NOMINAL IN |
| Pin Fastening Method | RIVETED AND SPRING CLIP |
| Second Chain Link Plate Width | 0.512 INCHES NOMINAL IN |
| Minimum Tensile Strength | 7000 POUNDS PER SQUARE INCH LBS |
| First Chain Link Nominal Width Between Plates | 0.3750 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.0800 INCHES 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 |
|---|---|
| 33364-11 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA) |
| 50-11FT. | Diamond Chain Co Div of Amsted Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 33364-11 | 3/9 Design control — primary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
| 50-11FT. | 5/9 Secondary reference Emerson Power Transmission Corporation Div Ept |
| 33364-XXX-X | D/9 Drawing number reference only Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 3020-01-283-1937 is a Chain,roller, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-283-1937 has 2 manufacturer part numbers on file: 33364-11 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division), 50-11FT. (Diamond Chain Co Div of Amsted Industries Inc).
Key specifications for 33364-11: Second Chain Link Pin Nominal Diameter: 0.2000 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.0800 INCHES IN; First Chain Link Roller Nominal Diameter: 0.4000 INCHES IN; Second Chain Link Style: PIN. 15 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.