The Pulley,groove, cataloged under National Stock Number 3020-01-032-6290, 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 Fnss Savunma Sistemleri Anonim Sirketi. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-032-6290 |
| Primary Part Number | 4188529 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Fnss Savunma Sistemleri Anonim Sirketi |
| Status | ACTIVE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Split Hub Feature | NOT INCLUDED |
| Bore Length | 1.228 INCHES NOMINAL IN |
| Design Form | WEBBED |
| Groove Shape | V |
| Outside Diameter | 3.984 INCHES NOMINAL IN |
| Keying Facility Type | KEYWAY |
| Quantity | 1 |
| Style Designator | WEBBED OR SPOKED |
| Material Document and Classification | QQ-S-634-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 3.224 INCHES NOMINAL IN |
| Groove Depth | 0.380 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Bearings | NOT INCLUDED |
| Groove Quantity | 3 |
| V Groove Angle in Deg | 38.0 |
| Counterbore Feature | NOT INCLUDED |
| Bore Diameter | 0.731 INCHES MINIMUM AND 0.732 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Furnished Items | KEYING FACILITY |
| Face Width | 1.500 INCHES NOMINAL IN |
| Groove Width | 0.406 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 |
|---|---|
| 4188529 | Fnss Savunma Sistemleri Anonim Sirketi (TUR) |
| Reference | Meaning |
|---|---|
| 4188529 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-01-032-6290 is a Pulley,groove, manufactured by Fnss Savunma Sistemleri Anonim Sirketi, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-032-6290 has 1 manufacturer part number on file: 4188529 (Fnss Savunma Sistemleri Anonim Sirketi).
Key specifications for 4188529: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Split Hub Feature: NOT INCLUDED; Bore Length: 1.228 INCHES NOMINAL IN. 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.