PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2821858Pulley,groove

Embraer S.a. · NSN 3020-00-277-1387 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-277-1387 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-277-1387. Primary manufacturer part number: 2821858.
Features
  • Pulley,groove — FSC 3020
  • Style Designator: PLAIN
  • Distance From Outside Flange/rim to Hub End and Location: 0.029 INCHES MINIMUM BOTH ENDS AND 0.037 INCHES MAXIMUM BOTH ENDS IN
  • Web/spoke Relationship to Face Centerline: NOT OFFSET
  • Lightening Hole: NOT INCLUDED
  • Bearings: INCLUDED
  • Face Width: 0.410 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
  • Groove Quantity: 1
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pulley,groove, cataloged under National Stock Number 3020-00-277-1387, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Embraer S.a.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-277-1387
Primary Part Number2821858
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerEmbraer S.a.
StatusCANCELLED
Style DesignatorPLAIN
Distance From Outside Flange/rim to Hub End and Location0.029 INCHES MINIMUM BOTH ENDS AND 0.037 INCHES MAXIMUM BOTH ENDS IN
Web/spoke Relationship to Face CenterlineNOT OFFSET
Lightening HoleNOT INCLUDED
BearingsINCLUDED
Face Width0.410 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Groove Quantity1
Unable to DecodeUNABLE TO DECODE
Integral Cooling VaneNOT INCLUDED
Bore TypeSTRAIGHT
Bearing Quantity1
Bore FeatureINCLUDED
Split Hub FeatureNOT INCLUDED
Groove ShapeU
Design FormPLAIN
Bearing TypeBALL
Unable to DecodeUNABLE TO DECODE
Hub Outside Diameter0.390 INCHES NOMINAL BOTH ENDS IN
Counterbore FeatureNOT INCLUDED
Bore Length0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN
Outside Diameter1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN
Groove Depth0.245 INCHES MINIMUM AND 0.257 INCHES MAXIMUM IN
Groove Radius0.109 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
Groove Width0.344 INCHES NOMINAL IN
Bore Diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3020-00-277-1126 INTERCHANGEABLE
Pulley,groove
3020-00-277-1128 INTERCHANGEABLE
Pulley,groove
3020-00-277-1130 INTERCHANGEABLE
Pulley,groove
3020-00-517-1330 INTERCHANGEABLE
Pulley,groove
3020-00-528-0508 INTERCHANGEABLE
Pulley,groove
3020-01-463-6077BACP30J15 INTERCHANGEABLE
Pulley,groove
The Boeing Company Div Defense
Cross-Reference Index
Part NumberManufacturer
2821858 Embraer S.a. (BRA)
AN210-3A Aeronautical Standards Group Dept of Navy and Air Force (USA)
MS24566-3B Las Aerospace Limited (GBR)
2821858 Embraer Empresa Brasileira De Aeronautica Sa (BRA)
P7034 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN210-3B Aeronautical Standards Group Dept of Navy and Air Force (USA)
MIL-DTL-7034/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
WX26008 Raytheon Technical Services Company (USA)
MS24566-3B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
3020-00-277-1126INTERCHANGEABLE
PULLEY,GROOVE
3020-00-277-1128INTERCHANGEABLE
PULLEY,GROOVE
3020-00-277-1130INTERCHANGEABLE
PULLEY,GROOVE
3020-00-517-1330INTERCHANGEABLE
PULLEY,GROOVE
3020-00-528-0508INTERCHANGEABLE
PULLEY,GROOVE
3020-01-463-6077INTERCHANGEABLE
PULLEY,GROOVE
BACP30J15

Frequently Asked Questions

What is NSN 3020-00-277-1387?

NSN 3020-00-277-1387 is a Pulley,groove, manufactured by Embraer S.a., classified under FSC 3020 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 3020-00-277-1387?

NSN 3020-00-277-1387 has 9 cross-referenced part numbers: 2821858 (Embraer S.a.), AN210-3A (Aeronautical Standards Group Dept of Navy and Air Force), MS24566-3B (Las Aerospace Limited), 2821858 (Embraer Empresa Brasileira De Aeronautica Sa), P7034 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 3020-00-277-1387?

There are 6 known substitutes for 3020-00-277-1387: 3020-00-277-1126, 3020-00-277-1128, 3020-00-277-1130 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2821858?

Key specifications for 2821858: Overall Length: 0.479 INCHES MINIMUM AND 0.484 INCHES MAXIMUM IN; Style Designator: PLAIN; Distance From Outside Flange/rim to Hub End and Location: 0.029 INCHES MINIMUM BOTH ENDS AND 0.037 INCHES MAXIMUM BOTH ENDS IN; Web/spoke Relationship to Face Centerline: NOT OFFSET. 26 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-277-1387 still in active supply?

NSN 3020-00-277-1387 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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