PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

79-028-125-0625Pin,spring

Harvard Industries Inc · NSN 5315-01-167-4159 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-167-4159 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-167-4159. Primary manufacturer part number: 79-028-125-0625.
Features
  • Pin,spring — FSC 5315
  • Material Thickness: 0.028 INCHES NOMINAL IN
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION
  • Special Test Features: SPECIAL QUALITY CONTROL TESTING
  • Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
  • Surface Treatment: PASSIVATE OVERALL
  • Criticality Code Justification: ZZZY
  • Diameter: 0.125 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 5315-01-167-4159, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Harvard Industries Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-01-167-4159
Primary Part Number79-028-125-0625
Item NamePin,spring
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerHarvard Industries Inc
StatusACTIVE
Material Thickness0.028 INCHES NOMINAL IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION
Special Test FeaturesSPECIAL QUALITY CONTROL TESTING
Hardness Rating43.0 ROCKWELL C MINIMUM AND 52.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentPASSIVATE OVERALL
Criticality Code JustificationZZZY
Diameter0.125 INCHES NOMINAL IN
Style DesignatorSLOTTED
Material Document and ClassificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 420 OVERALL
Test Data Document81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5315-00-754-1844 INTERCHANGEABLE
Pin,spring
5315-00-826-3251MS16562-223 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
79-028-125-0625 Harvard Industries Inc (USA)
79-028-125-0625 Esna, Llc (USA)
924J624 ITEM 78 Fluor Marine Propulsion, Llc (USA)
Related Parts
5315-00-754-1844INTERCHANGEABLE
PIN,SPRING
5315-00-826-3251INTERCHANGEABLE
PIN,SPRING
MS16562-223

Frequently Asked Questions

What is NSN 5315-01-167-4159?

NSN 5315-01-167-4159 is a Pin,spring, manufactured by Harvard Industries Inc, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-01-167-4159?

NSN 5315-01-167-4159 has 3 cross-referenced part numbers: 79-028-125-0625 (Harvard Industries Inc), 79-028-125-0625 (Esna, Llc), 924J624 ITEM 78 (Fluor Marine Propulsion, Llc).

What NSN replaces 5315-01-167-4159?

There are 2 known substitutes for 5315-01-167-4159: 5315-00-754-1844, 5315-00-826-3251. Verify interchangeability with system specifications before substitution.

What are the specifications of 79-028-125-0625?

Key specifications for 79-028-125-0625: Overall Length: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Material Thickness: 0.028 INCHES NOMINAL IN; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION; Special Test Features: SPECIAL QUALITY CONTROL TESTING. 12 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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