PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55043Spring,helical,torsion

Aerol Llc · NSN 5360-00-168-6355 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-168-6355 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-168-6355. Primary manufacturer part number: 55043.
Features
  • Spring,helical,torsion — FSC 5360
  • Inside Diameter: 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
  • Spring Free Length: 0.225 INCHES NOMINAL IN
  • End Length From First Bend to Second Bend or End: 0.500 INCHES NOMINAL FIRST END IN
  • Style Designator: SINGLE TORSION LEFT HAND
  • Material: STEEL OVERALL
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • End Style: STRAIGHT ANGULAR END SECOND END
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,torsion, cataloged under National Stock Number 5360-00-168-6355, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerol Llc. Government technical data includes 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-168-6355
Primary Part Number55043
Item NameSpring,helical,torsion
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerAerol Llc
StatusACTIVE
Inside Diameter0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
Spring Free Length0.225 INCHES NOMINAL IN
End Length From First Bend to Second Bend or End0.500 INCHES NOMINAL FIRST END IN
Style DesignatorSINGLE TORSION LEFT HAND
MaterialSTEEL OVERALL
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
End StyleSTRAIGHT ANGULAR END SECOND END
End Angular RelationshipENDS ANGLED ONE TO OTHER
End Length From Second Bend to Third Bend or End0.190 INCHES NOMINAL OVERALL IN
Surface Treatment Document and ClassificationQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Spring Free Outside Diameter0.530 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
End Length From First Bend to Second Bend or End0.750 INCHES NOMINAL SECOND END IN
End StyleANGULAR END (LEFT) FIRST END
Surface TreatmentCADMIUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5133-00-838-5376 INTERCHANGEABLE
Drill,twist
6680-01-165-314255043 INTERCHANGEABLE
Gage Rod,liquid Level
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
5998-01-416-7569 INTERCHANGEABLE
Pcb,centrifuge Labo
Cross-Reference Index
Part NumberManufacturer
55043 PRIMARY Aerol Llc (USA)
Related Parts
5133-00-838-5376INTERCHANGEABLE
DRILL,TWIST
6680-01-165-3142INTERCHANGEABLE
GAGE ROD,LIQUID LEVEL
55043
5998-01-416-7569INTERCHANGEABLE
PCB,CENTRIFUGE LABO

Frequently Asked Questions

What is NSN 5360-00-168-6355?

NSN 5360-00-168-6355 is a Spring,helical,torsion, manufactured by Aerol Llc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-168-6355?

NSN 5360-00-168-6355 has 1 cross-referenced part number: 55043 (Aerol Llc).

What NSN replaces 5360-00-168-6355?

There are 3 known substitutes for 5360-00-168-6355: 5133-00-838-5376, 6680-01-165-3142, 5998-01-416-7569. Verify interchangeability with system specifications before substitution.

What are the specifications of 55043?

Key specifications for 55043: Inside Diameter: 0.380 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Spring Free Length: 0.225 INCHES NOMINAL IN; End Length From First Bend to Second Bend or End: 0.500 INCHES NOMINAL FIRST END IN; Style Designator: SINGLE TORSION LEFT HAND. 14 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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