PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-P-10971Pin,spring

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5315-01-110-9864 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-110-9864 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-110-9864. Primary manufacturer part number: MIL-P-10971.
Features
  • Pin,spring — FSC 5315
  • Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS AND A COMPOSITION
  • Style Designator: SLOTTED
  • Departure From Cited Designator: AS MODIFIED BY SURFACE TREATMENT
  • Supplementary Features: SIMILAR TO NSN 5315-00-810-3704,EXC SURF. TREAT
  • Specification/standard Data: 81349-MIL-P-10971 GOVERNMENT SPECIFICATION
  • Material: STEEL COMP 1074 OR STEEL COMP 1095 OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 1074 or Steel Comp 1095 Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-01-110-9864, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN5315-01-110-9864
Primary Part NumberMIL-P-10971
Item NamePin,spring
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nondefinitive Spec/std Data1 TYPE AND 2 CLASS AND A COMPOSITION
Style DesignatorSLOTTED
Departure From Cited DesignatorAS MODIFIED BY SURFACE TREATMENT
Supplementary FeaturesSIMILAR TO NSN 5315-00-810-3704,EXC SURF. TREAT
Specification/standard Data81349-MIL-P-10971 GOVERNMENT SPECIFICATION
MaterialSTEEL COMP 1074 OR STEEL COMP 1095 OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TYPE 1,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentCADMIUM OVERALL
Shear Strength17600 DOUBLE POUND
Material Document and ClassificationAMS 5120,G10740 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5121,G10950 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Diameter0.385 INCHES MINIMUM AND 0.392 INCHES MAXIMUM IN
Material Thickness0.077 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5315-00-810-3704MS16562-80 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MIL-P-10971 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
NASM10971 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
52-077-375-1750 Harvard Industries Inc (USA)
RPA52-077-375-1750 Harvard Industries Inc (USA)
Related Parts
5315-00-810-3704INTERCHANGEABLE
PIN,SPRING
MS16562-80

Frequently Asked Questions

What is NSN 5315-01-110-9864?

NSN 5315-01-110-9864 is a Pin,spring, manufactured by Military Specifications Promulgated by Military Departments/agencies 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 5315-01-110-9864?

NSN 5315-01-110-9864 has 4 cross-referenced part numbers: MIL-P-10971 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), NASM10971 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 52-077-375-1750 (Harvard Industries Inc), RPA52-077-375-1750 (Harvard Industries Inc).

What NSN replaces 5315-01-110-9864?

There is 1 known substitute for 5315-01-110-9864: 5315-00-810-3704. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-P-10971?

Key specifications for MIL-P-10971: Overall Length: 1.730 INCHES MINIMUM AND 1.770 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 1 TYPE AND 2 CLASS AND A COMPOSITION; Style Designator: SLOTTED; Departure From Cited Designator: AS MODIFIED BY SURFACE TREATMENT. 14 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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