PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P7034Pulley,groove

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 3020-00-277-1126 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-277-1126 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-277-1126. Primary manufacturer part number: P7034.
Features
  • Pulley,groove — FSC 3020
  • Unable to Decode: UNABLE TO DECODE
  • Groove Depth: 0.313 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
  • Groove Width: 0.313 INCHES NOMINAL IN
  • Outside Diameter: 4.990 INCHES MINIMUM AND 5.010 INCHES MAXIMUM IN
  • Distance From Outside Flange/rim to Hub End and Location: 0.054 INCHES MINIMUM BOTH ENDS AND 0.064 INCHES MAXIMUM BOTH ENDS IN
  • Style Designator: PLAIN
  • Groove Shape: U
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Pulley,groove, cataloged under National Stock Number 3020-00-277-1126, 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 24 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN3020-00-277-1126
Primary Part NumberP7034
Item NamePulley,groove
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Unable to DecodeUNABLE TO DECODE
Groove Depth0.313 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
Groove Width0.313 INCHES NOMINAL IN
Outside Diameter4.990 INCHES MINIMUM AND 5.010 INCHES MAXIMUM IN
Distance From Outside Flange/rim to Hub End and Location0.054 INCHES MINIMUM BOTH ENDS AND 0.064 INCHES MAXIMUM BOTH ENDS IN
Style DesignatorPLAIN
Groove ShapeU
Split Hub FeatureNOT INCLUDED
Bearing TypeBALL
Counterbore FeatureNOT INCLUDED
Bore FeatureINCLUDED
Groove Quantity1
Integral Cooling VaneNOT INCLUDED
Face Width0.493 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
Design FormPLAIN
Hub Outside Diameter0.591 INCHES NOMINAL BOTH ENDS IN
Bore TypeSTRAIGHT
Unable to DecodeUNABLE TO DECODE
Bearing Quantity1
BearingsINCLUDED
Lightening HoleNOT INCLUDED
Bore Length0.615 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
Groove Radius0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
Bore Diameter0.3745 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3020-00-277-1128 INTERCHANGEABLE
Pulley,groove
3020-00-277-1130 INTERCHANGEABLE
Pulley,groove
3020-00-277-1387 INTERCHANGEABLE
Pulley,groove
3020-00-517-1330 INTERCHANGEABLE
Pulley,groove
3020-00-528-0508 INTERCHANGEABLE
Pulley,groove
Cross-Reference Index
Part NumberManufacturer
P7034 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AN210-5A Aeronautical Standards Group Dept of Navy and Air Force (USA)
24566-5B Atco Pulley Corp
MS24566-5B Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
24566-5B Witco Chemical Corp Allied Kelite Products Div (USA)
MIL-DTL-7034/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS24566-5B Arvan, Inc. Dba Aerospace Division (USA)
AN210-5B Aeronautical Standards Group Dept of Navy and Air Force (USA)
24566-5B Ralmark Co (USA)
Related Parts
3020-00-277-1128INTERCHANGEABLE
PULLEY,GROOVE
3020-00-277-1130INTERCHANGEABLE
PULLEY,GROOVE
3020-00-277-1387INTERCHANGEABLE
PULLEY,GROOVE
3020-00-517-1330INTERCHANGEABLE
PULLEY,GROOVE
3020-00-528-0508INTERCHANGEABLE
PULLEY,GROOVE

Frequently Asked Questions

What is NSN 3020-00-277-1126?

NSN 3020-00-277-1126 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.

What are the part numbers for NSN 3020-00-277-1126?

NSN 3020-00-277-1126 has 9 cross-referenced part numbers: P7034 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN210-5A (Aeronautical Standards Group Dept of Navy and Air Force), 24566-5B (Atco Pulley Corp), MS24566-5B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 24566-5B (Witco Chemical Corp Allied Kelite Products Div) and 4 more.

What NSN replaces 3020-00-277-1126?

There are 5 known substitutes for 3020-00-277-1126: 3020-00-277-1128, 3020-00-277-1130, 3020-00-277-1387 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P7034?

Key specifications for P7034: Unable to Decode: UNABLE TO DECODE; Groove Depth: 0.313 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN; Groove Width: 0.313 INCHES NOMINAL IN; Outside Diameter: 4.990 INCHES MINIMUM AND 5.010 INCHES MAXIMUM IN. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 3020-00-277-1126 still in active supply?

NSN 3020-00-277-1126 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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