The Pulley,groove, cataloged under National Stock Number 3020-01-682-0544, 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 Regal Beloit America, Inc. Dba Rollway Bearing. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-682-0544 |
| Primary Part Number | 43V530SDS |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Regal Beloit America, Inc. Dba Rollway Bearing |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Design Form | GROOVED |
| Groove Shape | V |
| Outside Diameter | 5.30 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 5.25 INCHES NOMINAL IN |
| Groove Quantity | 4 |
| Unable to Decode | UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Furnished Items | KEYING FACILITY |
| Face Width | 1.906 INCHES NOMINAL IN |
| Lightening Hole | NOT INCLUDED |
| 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 |
|---|---|
| 43V530SDS PRIMARY | Regal Beloit America, Inc. Dba Rollway Bearing (USA) |
| Reference | Meaning |
|---|---|
| 8729130/SHEET 2 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 3020-01-682-0544 is a Pulley,groove, manufactured by Regal Beloit America, Inc. Dba Rollway Bearing, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-682-0544 has 1 manufacturer part number on file: 43V530SDS (Regal Beloit America, Inc. Dba Rollway Bearing).
4 possible matches (shared part number, not a government interchangeability claim): 5365-01-682-4784, 5365-01-682-4786, 3020-01-687-6462. Verify interchangeability with system specifications before substitution.
Key specifications for 43V530SDS: Integral Cooling Vane: NOT INCLUDED; Design Form: GROOVED; Groove Shape: V; Outside Diameter: 5.30 INCHES NOMINAL IN. 12 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.