PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

294Pulley,groove

Greerco Corp · NSN 3020-00-277-1134 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-277-1134 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-277-1134. Primary manufacturer part number: 294.
Features
  • Pulley,groove — FSC 3020
  • Distance From Outside Flange/rim to Hub End and Location: 1.375 INCHES NOMINAL BOTH ENDS IN
  • Material: ALUMINUM ALLOY OVERALL
  • Hub Outside Diameter: 2.500 INCHES NOMINAL BOTH ENDS IN
  • Bearings: NOT INCLUDED
  • Face Width: 2.500 INCHES NOMINAL IN
  • Hole Location: ONE HOLE LOCATED ON TOP OF KEYWAY,ONE HOLE LOCATED 90 DEG FROM KEYWAY,BOTH HOLES LOCATED 1-3/16 IN. FROM HUB END IN
  • Integral Cooling Vane: NOT INCLUDED
Applications
  • Applications requiring Aluminum Alloy Overall construction
General Description

The Pulley,groove, cataloged under National Stock Number 3020-00-277-1134, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Greerco Corp. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-277-1134
Primary Part Number294
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerGreerco Corp
StatusACTIVE
Distance From Outside Flange/rim to Hub End and Location1.375 INCHES NOMINAL BOTH ENDS IN
MaterialALUMINUM ALLOY OVERALL
Hub Outside Diameter2.500 INCHES NOMINAL BOTH ENDS IN
BearingsNOT INCLUDED
Face Width2.500 INCHES NOMINAL IN
Hole LocationONE HOLE LOCATED ON TOP OF KEYWAY,ONE HOLE LOCATED 90 DEG FROM KEYWAY,BOTH HOLES LOCATED 1-3/16 IN. FROM HUB END IN
Integral Cooling VaneNOT INCLUDED
Unable to DecodeUNABLE TO DECODE
Web/spoke Relationship to Face CenterlineNOT OFFSET
Standard V-Belt Section Designation for Which DesignedB
Counterbore FeatureNOT INCLUDED
Securing MethodTHREADED HOLE(S)
Groove Quantity3
Groove ShapeV
Securing LocationAA END
Bore FeatureINCLUDED
Lightening HoleINCLUDED
Design FormWEBBED
Split Hub FeatureNOT INCLUDED
Bore TypeSTRAIGHT
Unable to DecodeUNABLE TO DECODE
Bore Diameter1.250 INCHES MINIMUM AND 1.253 INCHES MAXIMUM IN
V Groove Angle in Deg38.0
Thread Size3/8 - 16
Groove Width0.677 INCHES MINIMUM AND 0.679 INCHES MAXIMUM IN
Pitch Diameter8.600 INCHES NOMINAL IN
Outside Diameter9.100 INCHES NOMINAL IN
Groove Depth0.688 INCHES NOMINAL IN
Bore Length3.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6145-00-066-8636294 INTERCHANGEABLE
Braid,wire
Omega Wire, Inc. Dba Bare Wire Div Div Continental Cordage
5330-00-179-09051751M1 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5120-00-293-3309 INTERCHANGEABLE
Screwdriver,flat Tip
2920-00-294-3747294 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
2940-00-858-817842047 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
5985-01-089-7743294 INTERCHANGEABLE
Attenuator,fixed
Cinch Connectivity Solutions Inc
3110-01-124-8030 INTERCHANGEABLE
Bearing,ball,annular
5340-01-171-1072 INTERCHANGEABLE
Plug,vent
4730-01-235-141329-4 INTERCHANGEABLE
Elbow,flange to Pipe
American Reeling Devices Inc.
9390-01-238-8184GR513 INTERCHANGEABLE
Nonmetallic Channel
Greene Rubber Company, Inc.
Cross-Reference Index
Part NumberManufacturer
294 Greerco Corp (USA)
B1303-4-294 Greerco Corp (USA)
Related Parts
6145-00-066-8636INTERCHANGEABLE
BRAID,WIRE
294
5330-00-179-0905INTERCHANGEABLE
SEAL,PLAIN ENCASED
1751M1
5120-00-293-3309INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
2920-00-294-3747INTERCHANGEABLE
SPARK PLUG
294
2940-00-858-8178INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42047
5985-01-089-7743INTERCHANGEABLE
ATTENUATOR,FIXED
294
3110-01-124-8030INTERCHANGEABLE
BEARING,BALL,ANNULAR
5340-01-171-1072INTERCHANGEABLE
PLUG,VENT
4730-01-235-1413INTERCHANGEABLE
ELBOW,FLANGE TO PIPE
29-4
9390-01-238-8184INTERCHANGEABLE
NONMETALLIC CHANNEL
GR513
5340-01-242-6249INTERCHANGEABLE
CATCH,CLAMPING
29-4
5340-01-492-4326INTERCHANGEABLE
HANDWHEEL MANUAL CO

Frequently Asked Questions

What is NSN 3020-00-277-1134?

NSN 3020-00-277-1134 is a Pulley,groove, manufactured by Greerco Corp, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-277-1134?

NSN 3020-00-277-1134 has 2 cross-referenced part numbers: 294 (Greerco Corp), B1303-4-294 (Greerco Corp).

What NSN replaces 3020-00-277-1134?

There are 12 known substitutes for 3020-00-277-1134: 6145-00-066-8636, 5330-00-179-0905, 5120-00-293-3309 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 294?

Key specifications for 294: Distance From Outside Flange/rim to Hub End and Location: 1.375 INCHES NOMINAL BOTH ENDS IN; Material: ALUMINUM ALLOY OVERALL; Hub Outside Diameter: 2.500 INCHES NOMINAL BOTH ENDS IN; Bearings: NOT INCLUDED. 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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