The Pulley,groove, cataloged under National Stock Number 3020-01-246-5277, 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 Carlisle Power Transmission Products Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3020-01-246-5277 |
| Primary Part Number | 2AD48F-1 1/8 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Carlisle Power Transmission Products Inc |
| Status | ACTIVE |
| Bore Feature | INCLUDED |
| Groove Shape | V |
| Standard V-Belt Section Designation for Which Designed | 3L AND 4L |
| Outside Diameter | 4.800 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | PLAIN |
| Pitch Diameter | 3.400 INCHES MINIMUM AND 4.600 INCHES MAXIMUM IN |
| Bore Type | STRAIGHT |
| Groove Quantity | 2 |
| Protruding Hub Characteristic | GROOVED OR PLAIN |
| Distance From Center of Bore to Bottom of Keyway | 0.687 INCHES NOMINAL IN |
| Keyway Width | 0.250 INCHES NOMINAL IN |
| Bore Diameter | 1.125 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Furnished Items | KEYING FACILITY |
| Face Width | 1.375 INCHES MINIMUM AND 2.125 INCHES MAXIMUM IN |
| Groove Width | 0.500 INCHES MINIMUM AND 0.875 INCHES MAXIMUM 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 |
|---|---|
| 2AD48F-1 1/8 PRIMARY | Carlisle Power Transmission Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 2AD48F-1 1/8 | 5/9 Secondary reference U.S. Government activity |
NSN 3020-01-246-5277 is a Pulley,groove, manufactured by Carlisle Power Transmission Products Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-246-5277 has 1 manufacturer part number on file: 2AD48F-1 1/8 (Carlisle Power Transmission Products Inc).
Key specifications for 2AD48F-1 1/8: Bore Feature: INCLUDED; Groove Shape: V; Standard V-Belt Section Designation for Which Designed: 3L AND 4L; Outside Diameter: 4.800 INCHES NOMINAL IN. 18 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.