PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51S125-0625Pin,spring

Sps Technologies, Llc Dba PB Fasteners · NSN 5315-00-410-8786 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-410-8786 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-410-8786. Primary manufacturer part number: 51S125-0625.
Features
  • Pin,spring — FSC 5315
  • Material: COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
  • Material Document and Classification: ASTM B194-51 ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Diameter: 0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
  • Style Designator: SLOTTED
  • Hardness Rating: 36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
  • Material Thickness: 0.028 INCHES NOMINAL IN
  • 3 verified cross-references
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Copper Alloy 170 or Copper Alloy 172 Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-00-410-8786, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 6 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-410-8786
Primary Part Number51S125-0625
Item NamePin,spring
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerSps Technologies, Llc Dba PB Fasteners
StatusACTIVE
MaterialCOPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL
Material Document and ClassificationASTM B194-51 ASSN STD ALL MATERIAL RESPONSES OVERALL
Diameter0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Style DesignatorSLOTTED
Hardness Rating36.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
Material Thickness0.028 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5315-01-358-736982024 INTERCHANGEABLE
Pin,spring
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
51S125-0625 PRIMARY Sps Technologies, Llc Dba PB Fasteners (USA)
92383A254 Mcmaster-Carr Supply Company (USA)
99-028-125-0625 Harvard Industries Inc (USA)
Related Parts
5315-01-358-7369INTERCHANGEABLE
PIN,SPRING
82024

Frequently Asked Questions

What is NSN 5315-00-410-8786?

NSN 5315-00-410-8786 is a Pin,spring, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-410-8786?

NSN 5315-00-410-8786 has 3 cross-referenced part numbers: 51S125-0625 (Sps Technologies, Llc Dba PB Fasteners), 92383A254 (Mcmaster-Carr Supply Company), 99-028-125-0625 (Harvard Industries Inc).

What NSN replaces 5315-00-410-8786?

There is 1 known substitute for 5315-00-410-8786: 5315-01-358-7369. Verify interchangeability with system specifications before substitution.

What are the specifications of 51S125-0625?

Key specifications for 51S125-0625: Material: COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL; Overall Length: 0.625 INCHES NOMINAL IN; Material Document and Classification: ASTM B194-51 ASSN STD ALL MATERIAL RESPONSES OVERALL; Diameter: 0.131 INCHES MINIMUM AND 0.135 INCHES MAXIMUM 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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