PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42661Spring,helical,extension

Telemechanics Inc · NSN 5360-00-448-1433 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-448-1433 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-448-1433. Primary manufacturer part number: 42661.
Features
  • Spring,helical,extension — FSC 5360
  • Inside Diameter: 0.105 INCHES NOMINAL IN
  • Design Type: OPEN
  • End Style: SHORT TWISTED HOOK BOTH ENDS
  • Coil Quantity: 2
  • Style Designator: CYLINDRICAL
  • Spring Free Outside Diameter: 0.125 INCHES NOMINAL IN
  • Spring Free Length: 0.422 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-448-1433, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5360-00-448-1433
Primary Part Number42661
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Inside Diameter0.105 INCHES NOMINAL IN
Design TypeOPEN
End StyleSHORT TWISTED HOOK BOTH ENDS
Coil Quantity2
Style DesignatorCYLINDRICAL
Spring Free Outside Diameter0.125 INCHES NOMINAL IN
Spring Free Length0.422 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Hook Radius0.052 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5355-00-644-239642661 INTERCHANGEABLE
Knob
L3harris Technologies, Inc Div Space & Airborne Systems
5340-00-700-14236262328 INTERCHANGEABLE
Plug,protective,dust and Moistur
U S Army Tank Automotive Command Amsta-Im-Mm
2940-01-166-308742661 INTERCHANGEABLE
Filter Element,intake Air Cleane
Wix Corp
Cross-Reference Index
Part NumberManufacturer
42661 At and T Corp (USA)
42661 Zf Industrieantriebe Witten Gmbh (DEU)
42661 American Telephone and Telegraph Co (USA)
42661 PRIMARY Telemechanics Inc (USA)
Related Parts
5355-00-644-2396INTERCHANGEABLE
KNOB
42661
5340-00-700-1423INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
6262328
2940-01-166-3087INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42661

Frequently Asked Questions

What is NSN 5360-00-448-1433?

NSN 5360-00-448-1433 is a Spring,helical,extension, manufactured by Telemechanics Inc, classified under FSC 5360 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5360-00-448-1433?

NSN 5360-00-448-1433 has 4 cross-referenced part numbers: 42661 (At and T Corp), 42661 (Zf Industrieantriebe Witten Gmbh), 42661 (American Telephone and Telegraph Co), 42661 (Telemechanics Inc).

What NSN replaces 5360-00-448-1433?

There are 3 known substitutes for 5360-00-448-1433: 5355-00-644-2396, 5340-00-700-1423, 2940-01-166-3087. Verify interchangeability with system specifications before substitution.

What are the specifications of 42661?

Key specifications for 42661: Inside Diameter: 0.105 INCHES NOMINAL IN; Design Type: OPEN; End Style: SHORT TWISTED HOOK BOTH ENDS; Coil Quantity: 2. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5360-00-448-1433 still in active supply?

NSN 5360-00-448-1433 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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