The Sprocket Wheel, cataloged under National Stock Number 3020-00-528-1291, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-528-1291 |
| Primary Part Number | 458-736 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Hub Outside Diameter | 0.375 INCHES NOMINAL AA END IN |
| Bore Length | 0.214 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.185 INCHES NOMINAL IN |
| Outside Diameter | 0.680 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-B-636, CLASS A-CANCELED FED SPEC SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 0.600 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 10 |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.121 INCHES MINIMUM AND 0.126 INCHES MAXIMUM AA END IN |
| Surface Treatment | NICKEL |
| Bore Diameter | 0.248 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 464 |
| Face Width | 0.093 INCHES NOMINAL IN |
| 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 |
|---|---|
| 458-736 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| 458-736 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
NSN 3020-00-528-1291 is a Sprocket Wheel, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-528-1291 has 1 manufacturer part number on file: 458-736 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-408-0465. Verify interchangeability with system specifications before substitution.
Key specifications for 458-736: Hub Outside Diameter: 0.375 INCHES NOMINAL AA END IN; Bore Length: 0.214 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN; Design Form: PLAIN; Tooth Pitch: 0.185 INCHES NOMINAL IN. 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.