PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

03066Spring,helical,extension

New Haven Mfg Corp · NSN 5360-00-844-2145 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-844-2145 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-844-2145. Primary manufacturer part number: 03066.
Features
  • Spring,helical,extension — FSC 5360
  • Style Designator: CYLINDRICAL
  • Opening Width: 0.0125 INCHES NOMINAL BOTH ENDS IN
  • Hook Radius: 0.0625 INCHES NOMINAL BOTH ENDS IN
  • Spring Free Length: 1.1562 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Coil Helix Direction: RIGHT-HAND
  • Design Type: OPEN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-844-2145, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is New Haven Mfg Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-844-2145
Primary Part Number03066
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerNew Haven Mfg Corp
StatusACTIVE
Style DesignatorCYLINDRICAL
Opening Width0.0125 INCHES NOMINAL BOTH ENDS IN
Hook Radius0.0625 INCHES NOMINAL BOTH ENDS IN
Spring Free Length1.1562 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Coil Helix DirectionRIGHT-HAND
Design TypeOPEN
Spring Free Outside Diameter0.1250 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
End StyleRAISED HOOK BOTH ENDS
Inside Diameter0.0937 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-057-2384 INTERCHANGEABLE
Spring,valve
5306-00-208-110203066 INTERCHANGEABLE
Bolt,shoulder
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5340-00-290-50673066 INTERCHANGEABLE
Catch,friction
Emhart Industries Inc Corbin Cabinet Lock Hardware Div
6220-00-299-7563WPP1539 INTERCHANGEABLE
Lens,light
Siemens Water Technologies Corp. Div Wallace & Tiernan Products
2805-00-302-179936066 INTERCHANGEABLE
Cylinder Head,gasoline Engine
Mitsubishi Caterpillar Forklift America, Inc
2910-00-364-5001 INTERCHANGEABLE
Pump,fuel,cam Actuated
2935-00-520-61553066 INTERCHANGEABLE
Strip Assy,power Pl
Sequal Inc
5315-00-664-12503066 INTERCHANGEABLE
Pin,cotter
Diamond Chain Co Div of Amsted Industries Inc
4720-00-720-1096 INTERCHANGEABLE
Hose,nonmetallic
1630-00-793-0930306-6 INTERCHANGEABLE
Parts Kit,brake,cure Date
Goodrich Corporation
Cross-Reference Index
Part NumberManufacturer
03066 New Haven Mfg Corp (USA)
3066 New Haven Mfg Corp (USA)
Related Parts
5360-00-057-2384INTERCHANGEABLE
SPRING,VALVE
5306-00-208-1102INTERCHANGEABLE
BOLT,SHOULDER
03066
5340-00-290-5067INTERCHANGEABLE
CATCH,FRICTION
3066
6220-00-299-7563INTERCHANGEABLE
LENS,LIGHT
WPP1539
2805-00-302-1799INTERCHANGEABLE
CYLINDER HEAD,GASOLINE ENGINE
36066
2910-00-364-5001INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
2935-00-520-6155INTERCHANGEABLE
STRIP ASSY,POWER PL
3066
5315-00-664-1250INTERCHANGEABLE
PIN,COTTER
3066
4720-00-720-1096INTERCHANGEABLE
HOSE,NONMETALLIC
1630-00-793-0930INTERCHANGEABLE
PARTS KIT,BRAKE,CURE DATE
306-6
6130-00-796-8760INTERCHANGEABLE
POWER SUPPLY
11065-3A
5340-01-152-8186INTERCHANGEABLE
SNAP HOOK
3066

Frequently Asked Questions

What is NSN 5360-00-844-2145?

NSN 5360-00-844-2145 is a Spring,helical,extension, manufactured by New Haven Mfg Corp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-844-2145?

NSN 5360-00-844-2145 has 2 cross-referenced part numbers: 03066 (New Haven Mfg Corp), 3066 (New Haven Mfg Corp).

What NSN replaces 5360-00-844-2145?

There are 12 known substitutes for 5360-00-844-2145: 5360-00-057-2384, 5306-00-208-1102, 5340-00-290-5067 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 03066?

Key specifications for 03066: Style Designator: CYLINDRICAL; Opening Width: 0.0125 INCHES NOMINAL BOTH ENDS IN; Hook Radius: 0.0625 INCHES NOMINAL BOTH ENDS IN; Spring Free Length: 1.1562 INCHES NOMINAL IN. 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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