The Pulley,groove, cataloged under National Stock Number 3020-01-118-2837, 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 Kalmar AC Inc. Government technical data includes 26 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-118-2837 |
| Primary Part Number | 4914504-8 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 1.250 INCHES NOMINAL AA END IN |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 0.690 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | OFFSET |
| Groove Shape | V |
| Outside Diameter | 3.940 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Pitch Diameter | 0.971 INCHES NOMINAL IN |
| Groove Depth | 0.543 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| V Groove Angle in Deg | 36.0 |
| Protruding Hub Characteristic | PLAIN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 3.812 INCHES NOMINAL AA END AND 1.031 INCHES NOMINAL BB END IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.625 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.810 INCHES NOMINAL IN |
| Groove Width | 0.380 INCHES NOMINAL IN |
| Lightening Hole | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3020-01-118-2837 is a Pulley,groove, manufactured by Kalmar AC Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-118-2837 has 2 manufacturer part numbers on file: 4914504-8 (Kalmar AC Inc), 208559 (Dresser, Llc).
Key specifications for 4914504-8: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.250 INCHES NOMINAL AA END IN; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED. 26 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.