The Chain,roller, cataloged under National Stock Number 3020-01-374-3982, 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 Co Material Handling Div. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-374-3982 |
| Primary Part Number | 53543 |
| Item Name | Chain,roller |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ingersoll-Rand Co Material Handling Div |
| Status | ACTIVE |
| Second Chain Link Pin Nominal Diameter | 0.3750 INCHES IN |
| Second Chain Link Plate Nominal Thickness | 0.1560 INCHES IN |
| First Chain Link Roller Nominal Diameter | 0.7500 INCHES IN |
| Second Chain Link Style | PIN |
| Effective Length | 5.0000 FEET NOMINAL FT |
| Second Chain Link Nominal Width Between Plates | 1.0620 INCHES IN |
| First Chain Link Style | ROLLER |
| Nominal Pitch Distance | 1.250 INCHES IN |
| First Chain Link Plate Width | 1.187 INCHES NOMINAL IN |
| Second Chain Link Plate Width | 1.025 INCHES NOMINAL IN |
| First Chain Link Nominal Width Between Plates | 0.7500 INCHES IN |
| Link Row Quantity | 1 |
| Material | STEEL |
| First Chain Link Plate Nominal Thickness | 0.1560 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 |
|---|---|
| 53543 PRIMARY | Ingersoll-Rand Co Material Handling Div (USA) |
| Reference | Meaning |
|---|---|
| M18051 ITEM 6 | 5/9 Secondary reference Ingersoll-Rand Equipment Sales Div of Ingersoll-Rand Co |
NSN 3020-01-374-3982 is a Chain,roller, manufactured by Ingersoll-Rand Co Material Handling Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-374-3982 has 1 manufacturer part number on file: 53543 (Ingersoll-Rand Co Material Handling Div).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-419-9066, 2530-01-695-3097. Verify interchangeability with system specifications before substitution.
Key specifications for 53543: Second Chain Link Pin Nominal Diameter: 0.3750 INCHES IN; Second Chain Link Plate Nominal Thickness: 0.1560 INCHES IN; First Chain Link Roller Nominal Diameter: 0.7500 INCHES IN; Second Chain Link Style: PIN. 14 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.