PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS171566Pin,spring

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5315-01-302-9982 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-302-9982 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-302-9982. Primary manufacturer part number: MS171566.
Features
  • Pin,spring — FSC 5315
  • Hardness Rating: 83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
  • Material Document and Classification: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Finish: 80.0 MICROINCHES OUTSIDE DIAMETER
  • Diameter: 0.156 INCHES NOMINAL IN
  • Style Designator: SLOTTED
  • Material: STEEL COMP 420 OVERALL
  • Material Thickness: 0.032 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 420 Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-01-302-9982, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 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
NSN5315-01-302-9982
Primary Part NumberMS171566
Item NamePin,spring
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Hardness Rating83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL
Material Document and ClassificationAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Finish80.0 MICROINCHES OUTSIDE DIAMETER
Diameter0.156 INCHES NOMINAL IN
Style DesignatorSLOTTED
MaterialSTEEL COMP 420 OVERALL
Material Thickness0.032 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-082-4891 INTERCHANGEABLE
Terminal,feedthru
Cross-Reference Index
Part NumberManufacturer
MS171566 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5940-00-082-4891INTERCHANGEABLE
TERMINAL,FEEDTHRU

Frequently Asked Questions

What is NSN 5315-01-302-9982?

NSN 5315-01-302-9982 is a Pin,spring, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-01-302-9982?

NSN 5315-01-302-9982 has 1 cross-referenced part number: MS171566 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5315-01-302-9982?

There is 1 known substitute for 5315-01-302-9982: 5940-00-082-4891. Verify interchangeability with system specifications before substitution.

What are the specifications of MS171566?

Key specifications for MS171566: Hardness Rating: 83.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 87.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL; Material Document and Classification: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Finish: 80.0 MICROINCHES OUTSIDE DIAMETER; Diameter: 0.156 INCHES NOMINAL IN. 8 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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