The Pulley,groove, cataloged under National Stock Number 3020-00-021-4836, 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 Kell-Strom Tool International, Inc.. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-021-4836 |
| Primary Part Number | HS9707 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Kell-Strom Tool International, Inc. |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Bearing Quantity | 1 |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.990 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Outside Diameter | 2.125 INCHES NOMINAL IN |
| Material Document and Classification | QQ-A-327,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 0.020 INCHES NOMINAL IN |
| Groove Quantity | 1 |
| Bearing Type | BEARING ROLLER |
| Counterbore Feature | INCLUDED |
| Bore Diameter | 0.322 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Face Width | 0.260 INCHES NOMINAL IN |
| Groove Width | 0.050 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 |
NSN 3020-00-021-4836 is a Pulley,groove, manufactured by Kell-Strom Tool International, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-021-4836 has 2 manufacturer part numbers on file: HS9707 (Hamilton Sundstrand Corporation Dba Collins Aerospace), HS9707 (Kell-Strom Tool International, Inc.).
Key specifications for HS9707: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Bearing Quantity: 1; Split Hub Feature: NOT INCLUDED. 17 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.