PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

820659Spring,helical,compression

Lexair Inc · NSN 5360-00-307-8538 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-307-8538 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-307-8538. Primary manufacturer part number: 820659.
Features
  • Spring,helical,compression — FSC 5360
  • Material: STEEL CORROSION RESISTING OVERALL
  • Inside Diameter: 0.188 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 0.438 INCHES NOMINAL IN
  • Spring Solid Length: 0.156 INCHES NOMINAL IN
  • Spring Solid Outside Diameter: 0.438 INCHES NOMINAL IN
  • Style Designator: TAPERED
  • Spring Free Length: 0.406 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-307-8538, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lexair Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-307-8538
Primary Part Number820659
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerLexair Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING OVERALL
Inside Diameter0.188 INCHES NOMINAL IN
Spring Free Outside Diameter0.438 INCHES NOMINAL IN
Spring Solid Length0.156 INCHES NOMINAL IN
Spring Solid Outside Diameter0.438 INCHES NOMINAL IN
Style DesignatorTAPERED
Spring Free Length0.406 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Coil Helix DirectionLEFT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-0206339 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
4320-00-733-76747337674 INTERCHANGEABLE
Valve Plunger Rod
U S Army Tank Automotive Command Amsta-Im-Mm
8145-01-215-557715635 INTERCHANGEABLE
Shipping and Storage Container,p
Naval Inventory Control Point
5330-01-221-9534 INTERCHANGEABLE
Seal
5330-01-280-677515635 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
8465-01-502-664715635 INTERCHANGEABLE
Belt,keeper
Bianchi
5305-01-519-022415635 INTERCHANGEABLE
Thumbscrew
Climax Portable Machine Tools, Inc
5306-01-547-294115635 INTERCHANGEABLE
Bolt,machine
Imperial Supplies Llc
Cross-Reference Index
Part NumberManufacturer
FP52535N3PC37 Lexair Inc (USA)
820659 PRIMARY Lexair Inc (USA)
156/35 Wellman Group (GBR)
Related Parts
3110-00-100-0206INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
339
4320-00-733-7674INTERCHANGEABLE
VALVE PLUNGER ROD
7337674
8145-01-215-5577INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,P
15635
5330-01-221-9534INTERCHANGEABLE
SEAL
5330-01-280-6775INTERCHANGEABLE
SEAL,PLAIN ENCASED
15635
8465-01-502-6647INTERCHANGEABLE
BELT,KEEPER
15635
5305-01-519-0224INTERCHANGEABLE
THUMBSCREW
15635
5306-01-547-2941INTERCHANGEABLE
BOLT,MACHINE
15635

Frequently Asked Questions

What is NSN 5360-00-307-8538?

NSN 5360-00-307-8538 is a Spring,helical,compression, manufactured by Lexair Inc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-307-8538?

NSN 5360-00-307-8538 has 3 cross-referenced part numbers: FP52535N3PC37 (Lexair Inc), 820659 (Lexair Inc), 156/35 (Wellman Group).

What NSN replaces 5360-00-307-8538?

There are 8 known substitutes for 5360-00-307-8538: 3110-00-100-0206, 4320-00-733-7674, 8145-01-215-5577 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 820659?

Key specifications for 820659: Material: STEEL CORROSION RESISTING OVERALL; Inside Diameter: 0.188 INCHES NOMINAL IN; Spring Free Outside Diameter: 0.438 INCHES NOMINAL IN; Spring Solid Length: 0.156 INCHES NOMINAL IN. 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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