PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

178716Spring,helical,extension

Lockheed Martin Corp · NSN 5360-00-122-6157 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-122-6157 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-122-6157. Primary manufacturer part number: 178716.
Features
  • Spring,helical,extension — FSC 5360
  • Inside Diameter: 0.158 INCHES NOMINAL IN
  • End Style: MACHINE LOOP BOTH ENDS
  • Spring Free Length: 5.882 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Spring Free Outside Diameter: 0.260 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND
  • Coil Quantity: 120
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-122-6157, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5360-00-122-6157
Primary Part Number178716
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Inside Diameter0.158 INCHES NOMINAL IN
End StyleMACHINE LOOP BOTH ENDS
Spring Free Length5.882 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Spring Free Outside Diameter0.260 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND
Coil Quantity120
Style DesignatorCYLINDRICAL
Hook Radius0.120 INCHES NOMINAL BOTH ENDS IN
Design TypeCLOSED
Material Document and ClassificationMIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5940-00-187-50551787-16 INTERCHANGEABLE
Terminal,lug
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
5365-00-497-3326 INTERCHANGEABLE
Spacer,ring
Cross-Reference Index
Part NumberManufacturer
178716 Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA)
178716 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5940-00-187-5055INTERCHANGEABLE
TERMINAL,LUG
1787-16
5365-00-497-3326INTERCHANGEABLE
SPACER,RING

Frequently Asked Questions

What is NSN 5360-00-122-6157?

NSN 5360-00-122-6157 is a Spring,helical,extension, manufactured by Lockheed Martin Corp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-122-6157?

NSN 5360-00-122-6157 has 2 cross-referenced part numbers: 178716 (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co), 178716 (Lockheed Martin Corp).

What NSN replaces 5360-00-122-6157?

There are 2 known substitutes for 5360-00-122-6157: 5940-00-187-5055, 5365-00-497-3326. Verify interchangeability with system specifications before substitution.

What are the specifications of 178716?

Key specifications for 178716: Inside Diameter: 0.158 INCHES NOMINAL IN; End Style: MACHINE LOOP BOTH ENDS; Spring Free Length: 5.882 INCHES NOMINAL IN; Material: STEEL OVERALL. 11 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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