The Pulley,groove, cataloged under National Stock Number 3020-01-292-3692, 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 Gates Corporation. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-292-3692 |
| Primary Part Number | QD4A4.0/B4.4 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Gates Corporation |
| Status | ACTIVE |
| Bore Feature | INCLUDED |
| Groove Shape | V |
| Outside Diameter | 4.350 INCHES NOMINAL IN |
| Pitch Diameter | 4.000 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 4 |
| Counterbore Feature | 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 |
|---|---|
| QD4A4.0/B4.4 PRIMARY | Gates Corporation (USA) |
| QD4AB40 | Electron Corp (USA) |
| Reference | Meaning |
|---|---|
| 4B44SD | 5/9 Secondary reference Martin Sprocket and Gear Inc |
| 170-236 | 5/9 Secondary reference The Charles Machine Works Inc Dba Ditch Witch |
NSN 3020-01-292-3692 is a Pulley,groove, manufactured by Gates Corporation, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-292-3692 has 2 manufacturer part numbers on file: QD4A4.0/B4.4 (Gates Corporation), QD4AB40 (Electron Corp).
Key specifications for QD4A4.0/B4.4: Bore Feature: INCLUDED; Groove Shape: V; Outside Diameter: 4.350 INCHES NOMINAL IN; Pitch Diameter: 4.000 INCHES NOMINAL IN. 8 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.