PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS51987-371Pin,spring

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5315-00-687-2415 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-687-2415 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-687-2415. Primary manufacturer part number: MS51987-371.
Features
  • Pin,spring — FSC 5315
  • Material: STEEL COMP 302 OVERALL
  • Style Designator: COILED
  • Expanded Diameter: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • Diameter: 0.062 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-00-687-2415, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5315-00-687-2415
Primary Part NumberMS51987-371
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
MaterialSTEEL COMP 302 OVERALL
Style DesignatorCOILED
Expanded Diameter0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Diameter0.062 INCHES NOMINAL IN
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
8030-00-251-3980 INTERCHANGEABLE
Antiseize Compound
5360-00-257-21713B0522 INTERCHANGEABLE
Spring,helical,compression
Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)
5975-00-518-45526253S INTERCHANGEABLE
Rod,ground
Abb Installation Products Inc
5340-00-877-5458C54 INTERCHANGEABLE
Clamp,loop
Designatronics Incorporated Div Sterling Instruments Div
Cross-Reference Index
Part NumberManufacturer
062-0500LDP Spirol International Corporation (USA)
MS51987-371 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS51987-371 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS51987-70 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
NAS1407N5L8 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NASM51987 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
C5-4 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
8030-00-251-3980INTERCHANGEABLE
ANTISEIZE COMPOUND
5360-00-257-2171INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3B0522
5975-00-518-4552INTERCHANGEABLE
ROD,GROUND
6253S
5340-00-877-5458INTERCHANGEABLE
CLAMP,LOOP
C54

Frequently Asked Questions

What is NSN 5315-00-687-2415?

NSN 5315-00-687-2415 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 5315-00-687-2415?

NSN 5315-00-687-2415 has 7 cross-referenced part numbers: 062-0500LDP (Spirol International Corporation), MS51987-371 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS51987-371 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS51987-70 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), NAS1407N5L8 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 2 more.

What NSN replaces 5315-00-687-2415?

There are 4 known substitutes for 5315-00-687-2415: 8030-00-251-3980, 5360-00-257-2171, 5975-00-518-4552 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS51987-371?

Key specifications for MS51987-371: Material: STEEL COMP 302 OVERALL; Overall Length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN; Style Designator: COILED; Expanded Diameter: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-00-687-2415 still in active supply?

NSN 5315-00-687-2415 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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