PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55021Spring,helical,compression

Aerol Llc · NSN 5360-00-102-8407 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-102-8407 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-102-8407. Primary manufacturer part number: 55021.
Features
  • Spring,helical,compression — FSC 5360
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Coil Helix Direction: RIGHT-HAND
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Spring Deflection Rate: 39.900 POUNDS PER INCH NOMINAL LBS
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Spring Free Outside Diameter: 1.500 INCHES MAXIMUM IN
  • Accommodated Rod Diameter: 0.750 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-102-8407, 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 9 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-102-8407
Primary Part Number55021
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerAerol Llc
StatusACTIVE
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Coil Helix DirectionRIGHT-HAND
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Spring Deflection Rate39.900 POUNDS PER INCH NOMINAL LBS
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Spring Free Outside Diameter1.500 INCHES MAXIMUM IN
Accommodated Rod Diameter0.750 INCHES NOMINAL IN
Spring Free Length3.500 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-065-098102-R18C-21 INTERCHANGEABLE
Drill,twist
Us Air Tool Co Inc Dba Us Air Tool Co Inc
5340-00-701-6366SM-B-187034 INTERCHANGEABLE
Bracket,angle
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3020-00-984-3966 INTERCHANGEABLE
Pulley,timing Belt
4210-01-120-2709 INTERCHANGEABLE
Cylinder and Valve
5930-01-226-3659 INTERCHANGEABLE
Switch,toggle
5975-01-534-014555-021 INTERCHANGEABLE
Analog Output Module
Fike Corporation
Cross-Reference Index
Part NumberManufacturer
55021 PRIMARY Aerol Llc (USA)
Related Parts
5133-00-065-0981INTERCHANGEABLE
DRILL,TWIST
02-R18C-21
5340-00-701-6366INTERCHANGEABLE
BRACKET,ANGLE
SM-B-187034
3020-00-984-3966INTERCHANGEABLE
PULLEY,TIMING BELT
4210-01-120-2709INTERCHANGEABLE
CYLINDER AND VALVE
5930-01-226-3659INTERCHANGEABLE
SWITCH,TOGGLE
5975-01-534-0145INTERCHANGEABLE
ANALOG OUTPUT MODULE
55-021

Frequently Asked Questions

What is NSN 5360-00-102-8407?

NSN 5360-00-102-8407 is a Spring,helical,compression, manufactured by Aerol Llc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-102-8407?

NSN 5360-00-102-8407 has 1 cross-referenced part number: 55021 (Aerol Llc).

What NSN replaces 5360-00-102-8407?

There are 6 known substitutes for 5360-00-102-8407: 5133-00-065-0981, 5340-00-701-6366, 3020-00-984-3966 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55021?

Key specifications for 55021: End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Coil Helix Direction: RIGHT-HAND; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Spring Deflection Rate: 39.900 POUNDS PER INCH NOMINAL LBS. 9 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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