The Pulley,groove, cataloged under National Stock Number 3020-00-914-8404, 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 Smart Machines, Inc. Dba Barker and Williamson. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-914-8404 |
| Primary Part Number | FT127 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Smart Machines, Inc. Dba Barker and Williamson |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Securing Method | DRILLED HOLE |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.843 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Radius | 0.343 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 2.125 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-N-281, CLASS A, COLD DRAWN FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 0.250 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Securing Hole Quantity | 3 |
| Bolt Circle Diameter | 1.187 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.125 INCHES NOMINAL IN |
| Hole Location | LOCATED ON PULLEY FACE |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.875 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 OVERALL |
| Face Width | 0.843 INCHES NOMINAL IN |
| Groove Width | 0.687 INCHES NOMINAL IN |
| Securing Location | BOTH ENDS |
| 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 |
|---|---|
| FT127 PRIMARY | Smart Machines, Inc. Dba Barker and Williamson (USA) |
| Reference | Meaning |
|---|---|
| FT127 | 5/9 Secondary reference Barker & Williamson |
NSN 3020-00-914-8404 is a Pulley,groove, manufactured by Smart Machines, Inc. Dba Barker and Williamson, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-914-8404 has 1 manufacturer part number on file: FT127 (Smart Machines, Inc. Dba Barker and Williamson).
Key specifications for FT127: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Securing Method: DRILLED HOLE; Split Hub Feature: NOT INCLUDED. 27 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.