The Pulley,groove, cataloged under National Stock Number 3020-00-528-7993, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 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 | 3020-00-528-7993 |
| Primary Part Number | NAS377A2 |
| Item Name | Pulley,groove |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | CANCELLED |
| Groove Depth | 0.250 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE |
| Material Document and Classification | QQ-A-355, T4-CANCELED FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-268, T4-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Criticality Code Justification | FEAT |
| Distance From Outside Flange/rim to Hub End and Location | 0.099 INCHES MINIMUM BOTH ENDS AND 0.102 INCHES MAXIMUM BOTH ENDS IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Style Designator | PLAIN |
| Face Width | 0.422 INCHES NOMINAL IN |
| Hub Outside Diameter | 0.485 INCHES MINIMUM AND 0.545 INCHES MAXIMUM BOTH ENDS IN |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Unable to Decode | UNABLE TO DECODE |
| Groove Shape | U |
| Design Form | PLAIN |
| Lightening Hole | NOT INCLUDED |
| Integral Cooling Vane | NOT INCLUDED |
| Bearing Quantity | 2 |
| Bore Feature | INCLUDED |
| Counterbore Feature | NOT INCLUDED |
| Groove Quantity | 1 |
| Split Hub Feature | NOT INCLUDED |
| Bearing Type | BALL |
| Bore Type | STRAIGHT |
| Bearings | INCLUDED |
| Bore Diameter | 0.313 INCHES NOMINAL IN |
| Groove Radius | 0.094 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Groove Width | 0.255 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN |
| Outside Diameter | 3.005 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| NAS377A2 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| AN220A2 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| MS20220A2 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 20220A2 | Atco Pulley Corp |
| MS20220A2 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 2810401 | Embraer S.a. (BRA) |
| 2810401 | Embraer Empresa Brasileira De Aeronautica Sa (BRA) |
| MIL-DTL-7034 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2810401 | Embraer Aviation International (FRA) |
| 20220A2 | Ralmark Co (USA) |
| 20220A2 | Arvan, Inc. Dba Aerospace Division (USA) |
| 945.31.07.116 | Pilatus Aircraft Ltd (CHE) |
| MIL-DTL-7034/2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 3020-00-528-7993 is a Pulley,groove, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-528-7993 has 13 cross-referenced part numbers: NAS377A2 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), AN220A2 (Aeronautical Standards Group Dept of Navy and Air Force), MS20220A2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 20220A2 (Atco Pulley Corp), MS20220A2 (Leonardo Spa Helicopters Division - Production Site) and 8 more.
There are 10 known substitutes for 3020-00-528-7993: 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 NAS377A2: Groove Depth: 0.250 INCHES NOMINAL IN; Surface Treatment: ANODIZE; Material Document and Classification: QQ-A-355, T4-CANCELED FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-268, T4-CANCELED FED SPEC 2ND MATERIAL RESPONSE OVERALL; Criticality Code Justification: FEAT. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-528-7993 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.