PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS171573Pin,spring

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5315-01-185-4798 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-185-4798 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-185-4798. Primary manufacturer part number: MS171573.
Features
  • Pin,spring — FSC 5315
  • Style Designator: SLOTTED
  • Material Document and Classification: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 420 OVERALL
  • Material Thickness: 0.032 INCHES NOMINAL IN
  • Diameter: 0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
  • Surface Finish: 80.0 MICROINCHES OUTSIDE DIAMETER
  • 2 verified cross-references
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 5315-01-185-4798, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN5315-01-185-4798
Primary Part NumberMS171573
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
Style DesignatorSLOTTED
Material Document and ClassificationAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 420 OVERALL
Material Thickness0.032 INCHES NOMINAL IN
Diameter0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
Surface Finish80.0 MICROINCHES OUTSIDE DIAMETER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5940-00-913-8090 INTERCHANGEABLE
Terminal,feedthru
Cross-Reference Index
Part NumberManufacturer
MS171573 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS9048-148 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5940-00-913-8090INTERCHANGEABLE
TERMINAL,FEEDTHRU

Frequently Asked Questions

What is NSN 5315-01-185-4798?

NSN 5315-01-185-4798 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 5315-01-185-4798?

NSN 5315-01-185-4798 has 2 cross-referenced part numbers: MS171573 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS9048-148 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5315-01-185-4798?

There is 1 known substitute for 5315-01-185-4798: 5940-00-913-8090. Verify interchangeability with system specifications before substitution.

What are the specifications of MS171573?

Key specifications for MS171573: Style Designator: SLOTTED; Material Document and Classification: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 420 OVERALL; Material Thickness: 0.032 INCHES NOMINAL IN. 7 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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