PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D531Gear,spur

The Dewey Electronics Corporation Div Pitometer Log Division · NSN 3020-01-277-4736 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-277-4736 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-277-4736. Primary manufacturer part number: D531.
Features
  • Gear,spur — FSC 3020
  • Pressure Angle: 14.5000 DEGREES
  • Pitch Diameter: 1.0000 INCHES NOMINAL IN
  • Face Nominal Width: 0.188 INCHES IN
  • Nominal Outside Diameter: 1.068 INCHES IN
  • Teeth Quantity: 32
  • 1 verified cross-reference
  • Primary manufacturer: The Dewey Electronics Corporation Div Pitometer Log Division
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-277-4736, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is The Dewey Electronics Corporation Div Pitometer Log Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-277-4736
Primary Part NumberD531
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerThe Dewey Electronics Corporation Div Pitometer Log Division
StatusACTIVE
Pressure Angle14.5000 DEGREES
Pitch Diameter1.0000 INCHES NOMINAL IN
Face Nominal Width0.188 INCHES IN
Nominal Outside Diameter1.068 INCHES IN
Teeth Quantity32
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5330-00-298-051126699 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5915-01-602-3770562R086H08 INTERCHANGEABLE
Filter,band Pass
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
D531 PRIMARY The Dewey Electronics Corporation Div Pitometer Log Division (USA)
Related Parts
5330-00-298-0511INTERCHANGEABLE
GASKET
26699
5915-01-602-3770INTERCHANGEABLE
FILTER,BAND PASS
562R086H08

Frequently Asked Questions

What is NSN 3020-01-277-4736?

NSN 3020-01-277-4736 is a Gear,spur, manufactured by The Dewey Electronics Corporation Div Pitometer Log Division, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-277-4736?

NSN 3020-01-277-4736 has 1 cross-referenced part number: D531 (The Dewey Electronics Corporation Div Pitometer Log Division).

What NSN replaces 3020-01-277-4736?

There are 2 known substitutes for 3020-01-277-4736: 5330-00-298-0511, 5915-01-602-3770. Verify interchangeability with system specifications before substitution.

What are the specifications of D531?

Key specifications for D531: Pressure Angle: 14.5000 DEGREES; Pitch Diameter: 1.0000 INCHES NOMINAL IN; Face Nominal Width: 0.188 INCHES IN; Nominal Outside Diameter: 1.068 INCHES IN. 5 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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