PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44-186Spring,helical,extension

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 5360-00-619-7011 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-619-7011 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-619-7011. Primary manufacturer part number: 44-186.
Features
  • Spring,helical,extension — FSC 5360
  • Style Designator: CYLINDRICAL
  • End Style: MACHINE LOOP BOTH ENDS
  • Spring Length Under Load: 1.770 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Spring Free Length: 1.544 INCHES NOMINAL IN
  • Load Rating: 0.563 POUNDS MINIMUM AND 0.687 POUNDS MAXIMUM LBS
  • Material Document and Classification: QQ-W-4702 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-619-7011, 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 Corporation Div Rms - Mitchel Field. Government technical data includes 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-619-7011
Primary Part Number44-186
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Style DesignatorCYLINDRICAL
End StyleMACHINE LOOP BOTH ENDS
Spring Length Under Load1.770 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Spring Free Length1.544 INCHES NOMINAL IN
Load Rating0.563 POUNDS MINIMUM AND 0.687 POUNDS MAXIMUM LBS
Material Document and ClassificationQQ-W-4702 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Spring Free Outside Diameter0.210 INCHES NOMINAL IN
Coil Quantity30
Design TypeCLOSED
Surface TreatmentOXIDE OVERALL
Inside Diameter0.136 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
7520-00-223-66727520-00-223-6672 INTERCHANGEABLE
Pencil,mechanical
National Industries for the Blind
5133-00-262-2164150 LET-P INTERCHANGEABLE
Drill,twist
Greenfield Industries Inc
3020-00-288-573744186 INTERCHANGEABLE
Gear Rack
L3harris Technologies, Inc Div Space & Airborne Systems
5930-00-755-6111 INTERCHANGEABLE
Switch,rotary
Cross-Reference Index
Part NumberManufacturer
44-186 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
7520-00-223-6672INTERCHANGEABLE
PENCIL,MECHANICAL
7520-00-223-6672
5133-00-262-2164INTERCHANGEABLE
DRILL,TWIST
150 LET-P
3020-00-288-5737INTERCHANGEABLE
GEAR RACK
44186
5930-00-755-6111INTERCHANGEABLE
SWITCH,ROTARY

Frequently Asked Questions

What is NSN 5360-00-619-7011?

NSN 5360-00-619-7011 is a Spring,helical,extension, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-619-7011?

NSN 5360-00-619-7011 has 1 cross-referenced part number: 44-186 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5360-00-619-7011?

There are 4 known substitutes for 5360-00-619-7011: 7520-00-223-6672, 5133-00-262-2164, 3020-00-288-5737 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44-186?

Key specifications for 44-186: Style Designator: CYLINDRICAL; End Style: MACHINE LOOP BOTH ENDS; Spring Length Under Load: 1.770 INCHES NOMINAL IN; Coil Helix Direction: RIGHT-HAND OR LEFT-HAND. 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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