PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68A5-D86-1Pulley,groove

Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · NSN 3020-01-318-7209 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-318-7209 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-318-7209. Primary manufacturer part number: 68A5-D86-1.
Features
  • Pulley,groove — FSC 3020
  • Unable to Decode: UNABLE TO DECODE
  • Protruding Hub Characteristic: PLAIN
  • Securing Location: AA END
  • Nominal Thread Size: 0.312 INCHES IN
  • Web/spoke Relationship to Face Centerline: NOT OFFSET
  • Securing Method: THREADED HOLE(S)
  • Keying Facility Type: KEYWAY
Applications
  • Applications requiring Iron Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-318-7209, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-318-7209
Primary Part Number68A5-D86-1
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Unable to DecodeUNABLE TO DECODE
Protruding Hub CharacteristicPLAIN
Securing LocationAA END
Nominal Thread Size0.312 INCHES IN
Web/spoke Relationship to Face CenterlineNOT OFFSET
Securing MethodTHREADED HOLE(S)
Keying Facility TypeKEYWAY
Distance From Outside Flange/rim to Hub End and Location0.875 INCHES NOMINAL AA END IN
Split Hub FeatureNOT INCLUDED
Bore FeatureINCLUDED
Integral Cooling VaneNOT INCLUDED
Lightening HoleNOT INCLUDED
Standard V-Belt Section Designation for Which Designed4L AND 5L
Unable to DecodeUNABLE TO DECODE
Groove ShapeV
MaterialIRON OVERALL
Distance From Center of Bore to Bottom of Keyway0.562 INCHES NOMINAL IN
Groove Quantity1
Bore TypeSTRAIGHT
Outside Diameter9.800 INCHES NOMINAL IN
V Groove Angle in Deg40.0
Furnished ItemsKEYING FACILITY
Hole LocationHUB 90 DEGREES APART
Groove Depth0.280 INCHES MINIMUM AND 0.344 INCHES MAXIMUM IN
Counterbore FeatureNOT INCLUDED
Face Width0.875 INCHES NOMINAL IN
Thread Size5/16-18
Groove Width0.500 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Bore Length1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1560-00-821-5247750708-2 INTERCHANGEABLE
Duct,air
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
1B98-3/4IN.BORE Reliance Electric Company Dba Reliance & Dodge Brands (USA)
BK100X3/4 Emerson Electric Co Browning Mfg Div (USA)
BK100X3/4 TB Woods's Corporation (USA)
1B98-3/4IN.BORE TB Woods's Corporation (USA)
120972 TB Woods's Corporation (USA)
68A5-D86-1 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
BC98-3/4IN.BORE Reliance Electric Company Dba Reliance & Dodge Brands (USA)
1B98 Reliance Electric Company Dba Reliance & Dodge Brands (USA)
68A5-D86 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
1560-00-821-5247INTERCHANGEABLE
DUCT,AIR
750708-2

Frequently Asked Questions

What is NSN 3020-01-318-7209?

NSN 3020-01-318-7209 is a Pulley,groove, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-318-7209?

NSN 3020-01-318-7209 has 9 cross-referenced part numbers: 1B98-3/4IN.BORE (Reliance Electric Company Dba Reliance & Dodge Brands), BK100X3/4 (Emerson Electric Co Browning Mfg Div), BK100X3/4 (TB Woods's Corporation), 1B98-3/4IN.BORE (TB Woods's Corporation), 120972 (TB Woods's Corporation) and 4 more.

What NSN replaces 3020-01-318-7209?

There is 1 known substitute for 3020-01-318-7209: 1560-00-821-5247. Verify interchangeability with system specifications before substitution.

What are the specifications of 68A5-D86-1?

Key specifications for 68A5-D86-1: Unable to Decode: UNABLE TO DECODE; Protruding Hub Characteristic: PLAIN; Securing Location: AA END; Nominal Thread Size: 0.312 INCHES IN. 30 total characteristics are documented in the Federal Logistics Information System.

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