The Pulley,groove, cataloged under National Stock Number 3020-01-576-6044, 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 Ami Industries, Inc Div Utc Aerospace Systems. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-576-6044 |
| Primary Part Number | 1B2184-1 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ami Industries, Inc Div Utc Aerospace Systems |
| Status | ACTIVE |
| Bore Feature | NOT INCLUDED |
| Design Form | PLAIN |
| Groove Radius | 0.040 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 0.560 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Material Document and Classification | AISI 4130 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.080 INCHES NOMINAL IN |
| Groove Depth | 0.045 INCHES NOMINAL IN |
| Groove Quantity | 1 |
| Material | STEEL COMP 4130 OVERALL |
| Face Width | 0.120 INCHES NOMINAL IN |
| Groove Width | 0.080 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 |
|---|---|
| 1B2184-1 PRIMARY | Ami Industries, Inc Div Utc Aerospace Systems (USA) |
NSN 3020-01-576-6044 is a Pulley,groove, manufactured by Ami Industries, Inc Div Utc Aerospace Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-576-6044 has 1 manufacturer part number on file: 1B2184-1 (Ami Industries, Inc Div Utc Aerospace Systems).
Key specifications for 1B2184-1: Bore Feature: NOT INCLUDED; Design Form: PLAIN; Groove Radius: 0.040 INCHES NOMINAL IN; Groove Shape: U. 13 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.