PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

KA57Spring,helical,compression

Kay Elemetrics Corporation · NSN 5360-00-664-3324 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-664-3324 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-664-3324. Primary manufacturer part number: KA57.
Features
  • Spring,helical,compression — FSC 5360
  • Surface Treatment: CADMIUM OVERALL
  • Coil Helix Direction: LEFT-HAND
  • Spring Free Outside Diameter: 0.375 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Material: STEEL OVERALL
  • Coil Quantity: 7
  • Spring Free Length: 0.750 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-664-3324, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kay Elemetrics Corporation. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-664-3324
Primary Part NumberKA57
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerKay Elemetrics Corporation
StatusACTIVE
Surface TreatmentCADMIUM OVERALL
Coil Helix DirectionLEFT-HAND
Spring Free Outside Diameter0.375 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
MaterialSTEEL OVERALL
Coil Quantity7
Spring Free Length0.750 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Inside Diameter0.307 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1005-00-715-2072KA57 INTERCHANGEABLE
Recoil Spring Assembly
Sturm Ruger and Co Inc Prescott Mfg Div
Cross-Reference Index
Part NumberManufacturer
KA57 Kay Elemetrics Corporation (USA)
Related Parts
1005-00-715-2072INTERCHANGEABLE
RECOIL SPRING ASSEMBLY
KA57

Frequently Asked Questions

What is NSN 5360-00-664-3324?

NSN 5360-00-664-3324 is a Spring,helical,compression, manufactured by Kay Elemetrics Corporation, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-664-3324?

NSN 5360-00-664-3324 has 1 cross-referenced part number: KA57 (Kay Elemetrics Corporation).

What NSN replaces 5360-00-664-3324?

There is 1 known substitute for 5360-00-664-3324: 1005-00-715-2072. Verify interchangeability with system specifications before substitution.

What are the specifications of KA57?

Key specifications for KA57: Surface Treatment: CADMIUM OVERALL; Coil Helix Direction: LEFT-HAND; Spring Free Outside Diameter: 0.375 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 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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