The Pulley,groove, cataloged under National Stock Number 3020-00-776-1071, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 29 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 | 3020-00-776-1071 |
| Primary Part Number | 10932445 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.312 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE AND UNABLE TO DECODE |
| Web/spoke Relationship to Face Centerline | NOT OFFSET |
| First Step Face Largest Diameter and Location | 1.625 INCHES NOMINAL AA END IN |
| Groove Shape | V |
| Outside Diameter | 5.062 INCHES NOMINAL IN |
| Distance From Outside Flange/rim to Hub End and Location | 0.562 INCHES NOMINAL AA END AND 1.000 INCHES NOMINAL BB END IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | QQ-5-698,COMP 1008 THRU 1020,COND CRDQ OR CRDQSKY FED SPEC SINGLE MATERIAL RESPONSE RIM |
| Material Document and Classification | QQ-S-633,COMP C1010 THRU C1020 OR C1108 THRU C1120 FED SPEC SINGLE MATERIAL RESPONSE HUB |
| Pitch Diameter | 3.634 INCHES NOMINAL IN |
| Groove Depth | 0.855 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Counterbore Depth | 0.031 INCHES NOMINAL IN |
| Groove Quantity | 2 |
| Counterbore Location | AA END |
| V Groove Angle in Deg | 36.0 |
| Protruding Hub Characteristic | STEPPED |
| Counterbore Diameter | 1.000 INCHES NOMINAL IN |
| Distance From Center of Bore to Bottom of Keyway | 0.540 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN |
| Unable to Decode | UNABLE TO DECODE |
| Keyway Width | 0.252 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 |
|---|---|
| 10932445 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 3020-00-776-1071 is a Pulley,groove, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-776-1071 has 1 manufacturer part number on file: 10932445 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10932445: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 1.312 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.