The Pulley,groove, cataloged under National Stock Number 3020-01-356-8748, 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 Indal Technologies Inc. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-356-8748 |
| Primary Part Number | 1262-049 ITEM 5 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Indal Technologies Inc |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Hub Outside Diameter | 1.875 INCHES NOMINAL BOTH ENDS IN |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.125 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| Groove Radius | 0.172 INCHES NOMINAL IN |
| Groove Shape | U |
| Outside Diameter | 9.000 INCHES NOMINAL IN |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | AISI 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Groove Depth | 0.750 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 1 |
| Unable to Decode | UNABLE TO DECODE |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 1.250 INCHES NOMINAL IN |
| Material | STEEL COMP 1045 OVERALL |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 1.125 INCHES NOMINAL IN |
| Groove Width | 0.745 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 |
|---|---|
| 1262-049 ITEM 5 PRIMARY | Indal Technologies Inc (CAN) |
| 1262-049-11 | Indal Technologies Inc (CAN) |
| Reference | Meaning |
|---|---|
| 1262-049 | D/9 Drawing number reference only Indal Technologies Inc |
NSN 3020-01-356-8748 is a Pulley,groove, manufactured by Indal Technologies Inc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-356-8748 has 2 manufacturer part numbers on file: 1262-049 ITEM 5 (Indal Technologies Inc), 1262-049-11 (Indal Technologies Inc).
Key specifications for 1262-049 ITEM 5: Integral Cooling Vane: NOT INCLUDED; Hub Outside Diameter: 1.875 INCHES NOMINAL BOTH ENDS IN; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED. 24 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.