The Sprocket Wheel, cataloged under National Stock Number 3020-01-044-5446, 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 Naval Sea Systems Command. Government technical data includes 28 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-044-5446 |
| Primary Part Number | RE-C-102189 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Hub Outside Diameter | 1.750 INCHES NOMINAL AA END IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 1.250 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.500 INCHES NOMINAL IN |
| Asa Standard Chain Number | 40 |
| Outside Diameter | 6.331 INCHES MINIMUM AND 6.337 INCHES MAXIMUM IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-S-763, CLASS 302, COND A FED SPEC SINGLE MATERIAL RESPONSE |
| Pitch Diameter | 6.003 INCHES MINIMUM AND 6.005 INCHES MAXIMUM IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 38 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 0.619 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.971 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 2 |
| Thread Size | 0.250-20 |
| Keyway Width | 0.251 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Hole Location | 2 HOLES 0.188 IN.FROM END OF HUB 90 DEG APART IN |
| Bore Diameter | 1.001 INCHES NOMINAL IN |
| Material | STEEL COMP 302 |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.279 INCHES NOMINAL IN |
| Securing Location | AA END |
| 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 |
|---|---|
| RE-C-102189 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| ASC1542382 | 5/9 Secondary reference Asc Pty Ltd |
NSN 3020-01-044-5446 is a Sprocket Wheel, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-044-5446 has 1 manufacturer part number on file: RE-C-102189 (Naval Sea Systems Command).
Key specifications for RE-C-102189: Hub Outside Diameter: 1.750 INCHES NOMINAL AA END IN; Securing Method: THREADED HOLE(S); Bore Length: 1.250 INCHES NOMINAL IN; Design Form: PLAIN. 28 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.