The Pulley,groove, cataloged under National Stock Number 3020-00-277-1121, 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 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-277-1121 |
| Primary Part Number | MIL-DTL-7034/1 |
| 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 |
| Material | STEEL HUB |
| Style Designator | PLAIN |
| Distance From Outside Flange/rim to Hub End and Location | 0.064 INCHES NOMINAL BOTH ENDS IN |
| Material | PLASTIC PHENOLIC BODY |
| Counterbore Feature | NOT INCLUDED |
| Protruding Hub Characteristic | PLAIN |
| Groove Quantity | 1 |
| Bearings | INCLUDED |
| Unable to Decode | UNABLE TO DECODE AND UNABLE TO DECODE |
| Bore Type | STRAIGHT |
| Lightening Hole | NOT INCLUDED |
| Groove Shape | U |
| Split Hub Feature | NOT INCLUDED |
| Bearing Type | BALL |
| Bore Feature | INCLUDED |
| Design Form | PLAIN |
| Bearing Quantity | 1 |
| Face Width | 0.300 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN |
| Unable to Decode | UNABLE TO DECODE |
| Integral Cooling Vane | NOT INCLUDED |
| Bore Diameter | 0.625 INCHES NOMINAL IN |
| Hub Outside Diameter | 0.759 INCHES MINIMUM AND 0.769 INCHES MAXIMUM BOTH ENDS IN |
| Bore Length | 0.433 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Outside Diameter | 2.620 INCHES MINIMUM AND 2.630 INCHES MAXIMUM IN |
| Groove Depth | 0.156 INCHES NOMINAL IN |
| Groove Radius | 0.047 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Groove Width | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-DTL-7034/1 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AN219-5 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| 20219-5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| NAS376-5 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| 20219-5 | Arvan, Inc. Dba Aerospace Division (USA) |
| NAS376-5FP | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| MS20219-5 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS20219-5 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 20219-5 | Atco Pulley Corp |
| 20219-5 | Ralmark Co (USA) |
| 376-5 | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| 20219-5 | Witco Chemical Corp Allied Kelite Products Div (USA) |
NSN 3020-00-277-1121 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 3020-00-277-1121 has 12 cross-referenced part numbers: MIL-DTL-7034/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN219-5 (Aeronautical Standards Group Dept of Navy and Air Force), 20219-5 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NAS376-5 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 20219-5 (Arvan, Inc. Dba Aerospace Division) and 7 more.
There are 12 known substitutes for 3020-00-277-1121: 3110-00-155-8874, 4820-00-194-8860, 3020-00-277-1119 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-DTL-7034/1: Material: STEEL HUB; Style Designator: PLAIN; Distance From Outside Flange/rim to Hub End and Location: 0.064 INCHES NOMINAL BOTH ENDS IN; Material: PLASTIC PHENOLIC BODY. 28 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-277-1121 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.