The Sprocket Wheel, cataloged under National Stock Number 3020-00-133-8499, 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 Us Army Aviation and Missile Command. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-00-133-8499 |
| Primary Part Number | 10232764 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Hub Outside Diameter | 1.812 INCHES NOMINAL AA END IN |
| Securing Method | DRILLED HOLE |
| Bore Length | 0.532 INCHES NOMINAL0.532 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Teeth Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 55.0 ROCKWELL C MAXIMUM |
| Tooth Pitch | 0.500 INCHES NOMINAL IN |
| Asa Standard Chain Number | 40-2 |
| Outside Diameter | 2.620 INCHES MINIMUM AND 2.620 INCHES MINIMUM AND 2.680 INCHES MAXIMUM2.680 INCHES MAXIMUM IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Metallic Hardness Rating and Location | 45.0 ROCKWELL C MINIMUM BODY AND 55.0 ROCKWELL C MAXIMUM BODY |
| Material Document and Classification | AISI C1040 ASSN STD SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 2.405 INCHES NOMINAL2.405 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Counterbore Depth | 0.312 INCHES NOMINAL0.312 INCHES NOMINAL IN |
| Teeth Row Quantity | 2 |
| Teeth Quantity Per Row | 15 |
| Counterbore Location | AA END |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | ROCKWELL |
| Counterbore Diameter | 1.015 INCHES NOMINAL1.015 INCHES NOMINAL IN |
| Distance From Center of Bore to Bottom of Keyway | 0.093 INCHES NOMINAL0.093 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.281 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 11 |
| Drilled Hole Diameter | 0.193 INCHES MINIMUM AND 0.193 INCHES MINIMUM AND 0.199 INCHES MAXIMUM0.199 INCHES MAXIMUM IN |
| Center to Center Distance Between Teeth Rows | 0.566 INCHES NOMINAL IN |
| Keyway Width | 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE |
| 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 |
|---|---|
| 10232764 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 3020001338499 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 3020-00-133-8499 is a Sprocket Wheel, manufactured by Us Army Aviation and Missile Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-133-8499 has 1 manufacturer part number on file: 10232764 (Us Army Aviation and Missile Command).
Key specifications for 10232764: Hub Outside Diameter: 1.812 INCHES NOMINAL AA END IN; Securing Method: DRILLED HOLE; Bore Length: 0.532 INCHES NOMINAL0.532 INCHES NOMINAL IN; Design Form: PLAIN. 29 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.