PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

E3261PC163Gear,helical

Terry Corp of Connecticut Sub of Ingersoll-Rand Co · NSN 3020-00-274-6608 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-274-6608 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-274-6608. Primary manufacturer part number: E3261PC163.
Features
  • Gear,helical — FSC 3020
  • Tooth Direction: LEFT
  • Teeth Quantity: 50
  • Pressure Angle: 20.0000 DEGREES
  • Helix Angle: 23.0000 DEGREES
  • Tooth Form: STUB
  • Teeth Type: SINGLE HELIX
  • Keyway Nominal Width: 0.250 INCHES BOTH ENDS IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Overall construction
General Description

The Gear,helical, cataloged under National Stock Number 3020-00-274-6608, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Terry Corp of Connecticut Sub of Ingersoll-Rand Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-274-6608
Primary Part NumberE3261PC163
Item NameGear,helical
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerTerry Corp of Connecticut Sub of Ingersoll-Rand Co
StatusACTIVE
Tooth DirectionLEFT
Teeth Quantity50
Pressure Angle20.0000 DEGREES
Helix Angle23.0000 DEGREES
Tooth FormSTUB
Teeth TypeSINGLE HELIX
Keyway Nominal Width0.250 INCHES BOTH ENDS IN
MaterialSTEEL OVERALL
Pitch Diameter5.0000 INCHES NOMINAL IN
Style DesignatorHUBLESS
Material Document and ClassificationMIL-S-890,CLASS B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5999-00-372-2197 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5905-01-096-54702632 INTERCHANGEABLE
Resistor,fixed,wire Wound
Crown Audio, Inc. Dba Crown International
1630-01-483-480526-325 INTERCHANGEABLE
Plate,wear,brake Shoe
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
6515-01-599-1970 INTERCHANGEABLE
Filter,oxygen Delivery System
5120-01-599-777526325 INTERCHANGEABLE
Key,socket Head Screw
Wiha Quality Tools
Cross-Reference Index
Part NumberManufacturer
E3261PC163 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
E2656APC253 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
E2644APC253 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
E2644BPC253 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
E2644PC253 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
E3270PC163 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
E2644CPC253 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
26325 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
E2656PC253 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
E2537PC253 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
E2525PC253 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
E2645PC253 Terry Corp of Connecticut Sub of Ingersoll-Rand Co (USA)
Related Parts
5999-00-372-2197INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5905-01-096-5470INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2632
1630-01-483-4805INTERCHANGEABLE
PLATE,WEAR,BRAKE SHOE
26-325
6515-01-599-1970INTERCHANGEABLE
FILTER,OXYGEN DELIVERY SYSTEM
5120-01-599-7775INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
26325

Frequently Asked Questions

What is NSN 3020-00-274-6608?

NSN 3020-00-274-6608 is a Gear,helical, manufactured by Terry Corp of Connecticut Sub of Ingersoll-Rand Co, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-274-6608?

NSN 3020-00-274-6608 has 12 cross-referenced part numbers: E3261PC163 (Terry Corp of Connecticut Sub of Ingersoll-Rand Co), E2656APC253 (Terry Corp of Connecticut Sub of Ingersoll-Rand Co), E2644APC253 (Terry Corp of Connecticut Sub of Ingersoll-Rand Co), E2644BPC253 (Terry Corp of Connecticut Sub of Ingersoll-Rand Co), E2644PC253 (Terry Corp of Connecticut Sub of Ingersoll-Rand Co) and 7 more.

What NSN replaces 3020-00-274-6608?

There are 5 known substitutes for 3020-00-274-6608: 5999-00-372-2197, 5905-01-096-5470, 1630-01-483-4805 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of E3261PC163?

Key specifications for E3261PC163: Tooth Direction: LEFT; Teeth Quantity: 50; Pressure Angle: 20.0000 DEGREES; Helix Angle: 23.0000 DEGREES. 12 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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