PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS171585Pin,spring

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5315-00-849-8950 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-849-8950 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-849-8950. Primary manufacturer part number: MS171585.
Features
  • Pin,spring — FSC 5315
  • Style Designator: SLOTTED
  • Material: STEEL COMP 410 OVERALL
  • Material Document and Classification: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material Thickness: 0.040 INCHES NOMINAL IN
  • Diameter: 0.188 INCHES NOMINAL IN
  • 13 verified cross-references
  • Primary manufacturer: National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-00-849-8950, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5315-00-849-8950
Primary Part NumberMS171585
Item NamePin,spring
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusCANCELLED
Style DesignatorSLOTTED
MaterialSTEEL COMP 410 OVERALL
Material Document and ClassificationAMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Material Thickness0.040 INCHES NOMINAL IN
Diameter0.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5940-00-926-0046A-A-59126/3205 INTERCHANGEABLE
Terminal,stud
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
P312493 Ge Aviation Systems Llc Dba Ge Aviation (USA)
79-040-187-0436 Harvard Industries Inc (USA)
P312493 Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR)
79-040-178-0438 Harvard Industries Inc (USA)
MS171585 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS171585 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MILP10971 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
79-040-187-0437 Harvard Industries Inc (USA)
MIL-P-10971 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
31-S-156-0437 Sps Technologies, Llc Dba PB Fasteners (USA)
42P11700-1070 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
42P11700-1070 Naval Ordnance Standards (USA)
P312493 Ge Aviation Systems Llc (USA)
Related Parts
5940-00-926-0046INTERCHANGEABLE
TERMINAL,STUD
A-A-59126/3205

Frequently Asked Questions

What is NSN 5315-00-849-8950?

NSN 5315-00-849-8950 is a Pin,spring, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5315 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5315-00-849-8950?

NSN 5315-00-849-8950 has 13 cross-referenced part numbers: P312493 (Ge Aviation Systems Llc Dba Ge Aviation), 79-040-187-0436 (Harvard Industries Inc), P312493 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk), 79-040-178-0438 (Harvard Industries Inc), MS171585 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 8 more.

What NSN replaces 5315-00-849-8950?

There is 1 known substitute for 5315-00-849-8950: 5940-00-926-0046. Verify interchangeability with system specifications before substitution.

What are the specifications of MS171585?

Key specifications for MS171585: Style Designator: SLOTTED; Material: STEEL COMP 410 OVERALL; Material Document and Classification: AMS 5506 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material Thickness: 0.040 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-00-849-8950 still in active supply?

NSN 5315-00-849-8950 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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