The Pulley,flat, cataloged under National Stock Number 3020-00-403-9398, 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 Scientific Atlanta Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-403-9398 |
| Primary Part Number | 5115BM12322 |
| Item Name | Pulley,flat |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Scientific Atlanta Inc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Securing Method | KEY AND THREADED HOLE(S) |
| Split Hub Feature | NOT INCLUDED |
| Design Form | PLAIN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Rim Type | SOLID |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Protruding Hub Characteristic | PLAIN |
| Distance From Center of Bore to Bottom of Keyway | 0.079 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN |
| Securing Hole Quantity | 2 |
| Thread Size | 10-24 |
| Keyway Width | 0.187 INCHES NOMINAL IN |
| Keying Facility | INCLUDED |
| Hole Location | ONE ON TOP OF KEY,ONE 90 DEG FROM KEYWAY |
| Bore Diameter | 0.625 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN |
| Crown Face | NOT INCLUDED |
| Securing Location | AA END |
| 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 |
|---|---|
| 5115BM12322 PRIMARY | Scientific Atlanta Inc (USA) |
NSN 3020-00-403-9398 is a Pulley,flat, manufactured by Scientific Atlanta Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-403-9398 has 1 manufacturer part number on file: 5115BM12322 (Scientific Atlanta Inc).
Key specifications for 5115BM12322: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Securing Method: KEY AND THREADED HOLE(S); Split Hub Feature: NOT INCLUDED. 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.