The Sprocket Wheel, cataloged under National Stock Number 3020-00-404-8451, 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 Trw Inc Trw Intl Trade Government Sales Dept. Government technical data includes 23 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-404-8451 |
| Primary Part Number | SS353 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Trw Inc Trw Intl Trade Government Sales Dept |
| Status | ACTIVE |
| Hub Outside Diameter | 2.438 INCHES NOMINAL AA END IN |
| Bore Length | 0.812 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.375 INCHES NOMINAL IN |
| Asa Standard Chain Number | 35-2 |
| Outside Diameter | 3.050 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 2.873 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 2 |
| Teeth Quantity Per Row | 24 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 0.894 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.251 INCHES NOMINAL AA END IN |
| Center to Center Distance Between Teeth Rows | 0.399 INCHES NOMINAL IN |
| Keyway Width | 0.156 INCHES NOMINAL IN |
| Bore Diameter | 1.750 INCHES NOMINAL IN |
| Material | STEEL |
| Furnished Items | KEYING FACILITY |
| Face Width | 0.561 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 |
|---|---|
| SS353 | Trw Inc Trw Intl Trade Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| C4TZ6306A | 5/9 Secondary reference Ford Motor Company |
| C4TZ6306A | 3/9 Design control — primary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
NSN 3020-00-404-8451 is a Sprocket Wheel, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-404-8451 has 1 manufacturer part number on file: SS353 (Trw Inc Trw Intl Trade Government Sales Dept).
Key specifications for SS353: Hub Outside Diameter: 2.438 INCHES NOMINAL AA END IN; Bore Length: 0.812 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.375 INCHES NOMINAL IN. 23 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.