PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8-52-30-2Insert,flexible Coupling

Itw Heartland Components Inc · NSN 3010-01-168-2137 · FSC 3010 · No Item Name Available
Verified by PartsTable
NSN 3010-01-168-2137 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-168-2137. Primary manufacturer part number: 8-52-30-2.
Features
  • Insert,flexible Coupling — FSC 3010
  • Style Designator: SPIDER
  • Overall Outside Diameter: 2.125 INCHES NOMINAL IN
  • Material: RUBBER
  • Overall Thickness: 0.437 INCHES NOMINAL IN
  • Lug Quantity: 6
  • 3 verified cross-references
  • Primary manufacturer: Itw Heartland Components Inc
Applications
  • Applications requiring Rubber construction
General Description

The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-168-2137, is classified within Federal Supply Class 3010 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Itw Heartland Components Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3010-01-168-2137
Primary Part Number8-52-30-2
Item NameInsert,flexible Coupling
FSC / FSG3010 / 30 — No Item Name Available
ManufacturerItw Heartland Components Inc
StatusACTIVE
Style DesignatorSPIDER
Overall Outside Diameter2.125 INCHES NOMINAL IN
MaterialRUBBER
Overall Thickness0.437 INCHES NOMINAL IN
Lug Quantity6
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4510-00-273-11048-5230 INTERCHANGEABLE
Drain,sink
Crane Co Div Valve Div
5905-00-466-225555PR50K INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Bi Technologies Corporation Div Bi Technologies Corp.
5315-01-132-0388 INTERCHANGEABLE
Key,machine
3010-01-210-57138-52-30-1 INTERCHANGEABLE
Coupling,shaft,flexible
Naval Sea Systems Command
8140-01-246-8552 INTERCHANGEABLE
Pad,cushioning
6145-01-280-613885230 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
Cross-Reference Index
Part NumberManufacturer
8-52-30 Illinois Tool Wks Inc Linac Div (USA)
8-52-30-2 PRIMARY Itw Heartland Components Inc (USA)
8-52-30-2 Illinois Tool Wks Inc Linac Div (USA)
Related Parts
4510-00-273-1104INTERCHANGEABLE
DRAIN,SINK
8-5230
5905-00-466-2255INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
55PR50K
5315-01-132-0388INTERCHANGEABLE
KEY,MACHINE
3010-01-210-5713INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
8-52-30-1
8140-01-246-8552INTERCHANGEABLE
PAD,CUSHIONING
6145-01-280-6138INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
85230

Frequently Asked Questions

What is NSN 3010-01-168-2137?

NSN 3010-01-168-2137 is a Insert,flexible Coupling, manufactured by Itw Heartland Components Inc, classified under FSC 3010 (No Item Name Available). Status: active.

What are the part numbers for NSN 3010-01-168-2137?

NSN 3010-01-168-2137 has 3 cross-referenced part numbers: 8-52-30 (Illinois Tool Wks Inc Linac Div), 8-52-30-2 (Itw Heartland Components Inc), 8-52-30-2 (Illinois Tool Wks Inc Linac Div).

What NSN replaces 3010-01-168-2137?

There are 6 known substitutes for 3010-01-168-2137: 4510-00-273-1104, 5905-00-466-2255, 5315-01-132-0388 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8-52-30-2?

Key specifications for 8-52-30-2: Style Designator: SPIDER; Overall Outside Diameter: 2.125 INCHES NOMINAL IN; Material: RUBBER; Overall Thickness: 0.437 INCHES NOMINAL IN. 6 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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