The Pulley,groove, cataloged under National Stock Number 3020-01-100-2638, 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 Perkins Engines Inc. Government technical data includes 30 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-100-2638 |
| Primary Part Number | 31147253 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Perkins Engines Inc |
| Status | ACTIVE |
| Unable to Decode | UNABLE TO DECODE |
| Integral Cooling Vane | NOT INCLUDED |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| 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 |
|---|---|
| 169660 | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| 31147253 PRIMARY | Perkins Engines Inc (USA) |
| Reference | Meaning |
|---|---|
| 169660 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 31147251 | 5/9 Secondary reference Perkins Engines Inc |
NSN 3020-01-100-2638 is a Pulley,groove, manufactured by Perkins Engines Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-100-2638 has 2 manufacturer part numbers on file: 169660 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 31147253 (Perkins Engines Inc).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-377-0303. Verify interchangeability with system specifications before substitution.
Key specifications for 31147253: Unable to Decode: UNABLE TO DECODE; Integral Cooling Vane: NOT INCLUDED; Unable to Decode: UNABLE TO DECODE; Unable to Decode: UNABLE TO DECODE. 30 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.