The Pulley,groove, cataloged under National Stock Number 3020-01-276-1498, 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 Naval Sea Systems Command. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-276-1498 |
| Primary Part Number | 5184095 PIECE 21 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 2.270 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Radius | 0.531 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 6.812 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Groove Depth | 0.937 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Counterbore Depth | 0.351 INCHES NOMINAL IN |
| Groove Quantity | 1 |
| Counterbore Location | BOTH ENDS |
| Counterbore Diameter | 3.148 INCHES NOMINAL IN |
| Counterbore Feature | INCLUDED |
| Bore Diameter | 2.998 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Face Width | 2.270 INCHES NOMINAL IN |
| Groove Width | 1.567 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 |
|---|---|
| 5184095 PIECE 21 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5184095 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-276-1498 is a Pulley,groove, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-276-1498 has 1 manufacturer part number on file: 5184095 PIECE 21 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 1450-01-448-3298, 1450-01-461-1143. Verify interchangeability with system specifications before substitution.
Key specifications for 5184095 PIECE 21: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 2.270 INCHES NOMINAL IN. 22 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.