The Gear Cluster,internal-External S, cataloged under National Stock Number 3020-01-128-2322, 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 Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-128-2322 |
| Primary Part Number | 6321-0049-01 |
| Item Name | Gear Cluster,internal-External S |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,MIL-S-8960,COMP 8620;GEAR SPUR 61 TEETH,32 DIAMETRAL PITCH,25 DEG PA,1.968 IN. OD,1.906 IN. PITCH DIAMETER;INTERNAL GEAR 72 TEETH,48 DIAMETRAL PITCH,25 DEG PA,1.500 IN. PITCH DIA;0.853 IN. O/A LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6321-0049-01 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 10153941 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 6321-0049 | D/9 Drawing number reference only Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
NSN 3020-01-128-2322 is a Gear Cluster,internal-External S, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-128-2322 has 1 manufacturer part number on file: 6321-0049-01 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).
Key specifications for 6321-0049-01: General Characteristics Item Description: STEEL,MIL-S-8960,COMP 8620;GEAR SPUR 61 TEETH,32 DIAMETRAL PITCH,25 DEG PA,1.968 IN. OD,1.906 IN. PITCH DIAMETER;INTERNAL GEAR 72 TEETH,48 DIAMETRAL PITCH,25 DEG PA,1.500 IN. PITCH DIA;0.853 IN. O/A LG IN. 1 specification is 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.
NSN 3020-01-128-2322 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.