The Sprocket Wheel, cataloged under National Stock Number 3020-00-273-4335, 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 Hoffman/new Yorker, Inc.. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-273-4335 |
| Primary Part Number | NAVYX1761PC59 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Hoffman/new Yorker, Inc. |
| Status | ACTIVE |
| Hub Outside Diameter | 2.375 INCHES NOMINAL BOTH ENDS IN |
| Securing Method | THREADED HOLE(S) |
| Bore Length | 1.625 INCHES NOMINAL IN |
| Design Form | SPOKED |
| Tooth Pitch | 0.375 INCHES NOMINAL IN |
| Outside Diameter | 9.927 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Guide Type | GROOVE |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 10.050 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Groove Quantity | 1 |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 84 |
| Protruding Hub Characteristic | PLAIN |
| Hardness Rating Test Method | NOT RATED |
| Distance From Center of Bore to Bottom of Keyway | 0.657 INCHES NOMINAL IN |
| Distance From Hub End to Flange End | 0.625 INCHES NOMINAL AA END IN |
| Securing Hole Quantity | 1 |
| Thread Size | 5/16-18 |
| Keyway Width | 0.250 INCHES NOMINAL IN |
| Hole Location | LOCATED ON TOP OF KEY |
| Bore Diameter | 1.001 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN |
| Material | STEEL |
| Furnished Items | GUIDE AND KEYING FACILITY |
| Face Width | 1.000 INCHES NOMINAL IN |
| Securing Location | AA END |
| Groove Position | LOCATED IN CENTER |
| 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 |
|---|---|
| NAVYX1761PC59 PRIMARY | Hoffman/new Yorker, Inc. (USA) |
| NX1768PC59 PRIMARY | Hoffman/new Yorker, Inc. (USA) |
| NAVYX1771PC59 PRIMARY | Hoffman/new Yorker, Inc. (USA) |
| 078347 PRIMARY | Hoffman/new Yorker, Inc. (USA) |
| NAVYX1701PC40 PRIMARY | Hoffman/new Yorker, Inc. (USA) |
| NX1756PC59 PRIMARY | Hoffman/new Yorker, Inc. (USA) |
NSN 3020-00-273-4335 is a Sprocket Wheel, manufactured by Hoffman/new Yorker, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-273-4335 has 6 manufacturer part numbers on file: NAVYX1761PC59 (Hoffman/new Yorker, Inc.), NX1768PC59 (Hoffman/new Yorker, Inc.), NAVYX1771PC59 (Hoffman/new Yorker, Inc.), 078347 (Hoffman/new Yorker, Inc.), NAVYX1701PC40 (Hoffman/new Yorker, Inc.) and 1 more.
Key specifications for NAVYX1761PC59: Hub Outside Diameter: 2.375 INCHES NOMINAL BOTH ENDS IN; Securing Method: THREADED HOLE(S); Bore Length: 1.625 INCHES NOMINAL IN; Design Form: SPOKED. 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.