The Pulley,groove, cataloged under National Stock Number 3020-00-155-3044, 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 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.. Government technical data includes 25 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 | 3020-00-155-3044 |
| Primary Part Number | B23767-2 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 4.250 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 2.000 INCHES NOMINAL IN |
| Design Form | SPOKED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Radius | 0.500 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 13.500 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | ASTM A27, GRADE 60-30 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 0.875 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Unable to Decode | UNABLE TO DECODE |
| Distance From Outside Flange/rim to Hub End and Location | 0.125 INCHES NOMINAL BOTH ENDS IN |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 2.9980 INCHES MINIMUM AND 2.9996 INCHES MAXIMUM IN |
| Material | STEEL COMP 60-30 OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 1.750 INCHES NOMINAL IN |
| Groove Width | 1.750 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 |
| Part Number | Manufacturer |
|---|---|
| B23767-2 PRIMARY | Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA) |
NSN 3020-00-155-3044 is a Pulley,groove, manufactured by Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-155-3044 has 1 manufacturer part number on file: B23767-2 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.).
Key specifications for B23767-2: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 4.250 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED. 25 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.