The Pulley,groove, cataloged under National Stock Number 3020-01-231-6729, 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 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 7 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-231-6729 |
| Primary Part Number | SHE871 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Bore Feature | INCLUDED |
| Groove Shape | V |
| Outside Diameter | 22.750 INCHES NOMINAL IN |
| Pitch Diameter | 22.000 INCHES NOMINAL IN |
| Bore Type | TAPERED |
| Groove Quantity | 4 |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| SHE871 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 1699N PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| HL16255 PIECE 103 | D/9 Drawing number reference only U.S. Government activity |
| SHE871 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 1699N | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 1699N | 5/9 Secondary reference U.S. Government activity |
| SHE871 | 5/9 Secondary reference U.S. Government activity |
| 1699N | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
NSN 3020-01-231-6729 is a Pulley,groove, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-231-6729 has 2 manufacturer part numbers on file: SHE871 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 1699N (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for SHE871: Bore Feature: INCLUDED; Groove Shape: V; Outside Diameter: 22.750 INCHES NOMINAL IN; Pitch Diameter: 22.000 INCHES NOMINAL IN. 7 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.