The Pulley,groove, cataloged under National Stock Number 3020-00-528-0502, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-528-0502 |
| Primary Part Number | MIL-DTL-7034/2 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Bore Length | 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Distance From Outside Flange/rim to Hub End and Location | 0.1015 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-A-268-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Style Designator | PLAIN |
| Surface Treatment | ANODIZE |
| Groove Shape | U |
| Unable to Decode | UNABLE TO DECODE |
| Face Width | 0.422 INCHES MAXIMUM IN |
| Bore Type | STRAIGHT |
| Bearing Type | BALL |
| Counterbore Feature | NOT INCLUDED |
| Bore Feature | INCLUDED |
| Groove Quantity | 1 |
| Bearings | INCLUDED |
| Integral Cooling Vane | NOT INCLUDED |
| Bearing Quantity | 1 |
| Design Form | PLAIN |
| Lightening Hole | NOT INCLUDED |
| Hub Outside Diameter | 0.515 INCHES NOMINAL BOTH ENDS IN |
| Split Hub Feature | NOT INCLUDED |
| Unable to Decode | UNABLE TO DECODE |
| Groove Depth | 0.250 INCHES NOMINAL IN |
| Groove Radius | 0.094 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Bore Diameter | 0.3120 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN |
| Groove Width | 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN |
| Outside Diameter | 4.255 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-DTL-7034/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| NAS377A3 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| MIL-DTL-7034 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AN220A3 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| MS20220A3 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 20220A3 | Atco Pulley Corp |
| 20220A3 | Ralmark Co (USA) |
| 20220A3 | Arvan, Inc. Dba Aerospace Division (USA) |
NSN 3020-00-528-0502 is a Pulley,groove, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-528-0502 has 8 cross-referenced part numbers: MIL-DTL-7034/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NAS377A3 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MIL-DTL-7034 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN220A3 (Aeronautical Standards Group Dept of Navy and Air Force), MS20220A3 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.
There are 10 known substitutes for 3020-00-528-0502: 3020-00-277-1123, 3020-00-277-1124, 3020-00-277-1128 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-DTL-7034/2: Bore Length: 0.620 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Material: ALUMINUM ALLOY 2024 OVERALL; Distance From Outside Flange/rim to Hub End and Location: 0.1015 INCHES NOMINAL BOTH ENDS IN; Material Document and Classification: QQ-A-268-CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-528-0502 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.