The Pulley,groove, cataloged under National Stock Number 3020-01-365-7159, 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 Ammerman Co Inc. Government technical data includes 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-365-7159 |
| Primary Part Number | 2TB54P1 1-7/16 BORE |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Ammerman Co Inc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 2.188 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Groove Shape | V |
| Standard V-Belt Section Designation for Which Designed | A AND B |
| Outside Diameter | 5.750 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Groove Depth | 0.344 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 2 |
| V Groove Angle in Deg | 36.0 |
| Protruding Hub Characteristic | STEPPED |
| Distance From Center of Bore to Bottom of Keyway | 0.907 INCHES NOMINAL IN |
| Keyway Width | 0.375 INCHES NOMINAL IN |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.438 INCHES NOMINAL AA END IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.438 INCHES NOMINAL IN |
| Material | IRON CAST OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Furnished Items | KEYING FACILITY |
| Face Width | 1.750 INCHES NOMINAL IN |
| Groove Width | 0.500 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Furnished Items and Quantity | ONE SPLIT TAPER BUSHING,P1 |
| 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 |
|---|---|
| 2TB54 & P1 1 7/16 | Emerson Electric Co Browning Mfg Div (USA) |
| 2TB54P1 1-7/16 BORE PRIMARY | Ammerman Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 2TB54P1 1-7/16 BORE | 5/9 Secondary reference Emerson Electric Co Browning Mfg Div |
| 2TB54P1 | C/1 Advisory reference — outside the item-of-supply concept Ammerman Co Inc |
NSN 3020-01-365-7159 is a Pulley,groove, manufactured by Ammerman Co Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-365-7159 has 2 manufacturer part numbers on file: 2TB54 & P1 1 7/16 (Emerson Electric Co Browning Mfg Div), 2TB54P1 1-7/16 BORE (Ammerman Co Inc).
Key specifications for 2TB54P1 1-7/16 BORE: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 2.188 INCHES NOMINAL IN. 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.