The Sprocket Wheel, cataloged under National Stock Number 3020-01-436-9550, 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 Hydraulics International, Inc. Dba Hydraulics International Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-436-9550 |
| Primary Part Number | 3141AS267-1 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Hub Outside Diameter | 2.6000 INCHES NOMINAL BOTH ENDS IN |
| Bore Length | 0.2970 INCHES NOMINAL IN |
| Design Form | SPOKED |
| Lubrication Mode | NO VISIBLE MEANS |
| Tooth Pitch | 0.3150 INCHES NOMINAL IN |
| Asa Standard Chain Number | 05B-1 |
| Outside Diameter | 3.3350 INCHES MINIMUM AND 3.3950 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Pitch Diameter | 3.2133 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 32 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Hub End to Flange End | 0.0825 INCHES NOMINAL BOTH ENDS IN |
| Bore Diameter | 0.1900 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | BORE BEARING |
| Face Width | 0.0960 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 |
|---|---|
| 3141AS267-1 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| 3141AS267-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 3020PL1632088 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 3141AS267 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 3141AS267-1 | 5/9 Secondary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| 3141AS267-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| 3020PL0867438 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3020-01-436-9550 is a Sprocket Wheel, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-436-9550 has 2 manufacturer part numbers on file: 3141AS267-1 (Hydraulics International, Inc. Dba Hydraulics International Inc), 3141AS267-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 3141AS267-1: Hub Outside Diameter: 2.6000 INCHES NOMINAL BOTH ENDS IN; Bore Length: 0.2970 INCHES NOMINAL IN; Design Form: SPOKED; Lubrication Mode: NO VISIBLE MEANS. 19 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.