PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILP10971TYPE1C0MP0SITI0NBPin,spring

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5315-00-664-7492 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-664-7492 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-664-7492. Primary manufacturer part number: MILP10971TYPE1C0MP0SITI0NB.
Features
  • Pin,spring — FSC 5315
  • Diameter: 0.187 INCHES NOMINAL IN
  • Style Designator: SLOTTED
  • Nondefinitive Spec/std Data: 1 TYPE AND B COMPOSITION
  • Material: STEEL OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
  • Surface Treatment: CADMIUM OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-00-664-7492, 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 8 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-664-7492
Primary Part NumberMILP10971TYPE1C0MP0SITI0NB
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
Diameter0.187 INCHES NOMINAL IN
Style DesignatorSLOTTED
Nondefinitive Spec/std Data1 TYPE AND B COMPOSITION
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentCADMIUM OVERALL
Material Thickness0.040 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5315-00-058-9813NAS561C8-30 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-291-442331S0780187 INTERCHANGEABLE
Pin,spring
Sps Technologies, Llc Dba PB Fasteners
5315-00-527-17530495-19 INTERCHANGEABLE
Pin,spring
Lockheed Martin Corporation Div Rms
5315-00-559-7467NAS561C4-18 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-598-2933MS171512 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-727-0098122-2422415 PC 108 INTERCHANGEABLE
Pin,spring
Naval Ship Systems Command
5315-00-840-0907MS16562-214 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-843-973042P11699-9320 INTERCHANGEABLE
Pin,spring
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
MILP10971TYPE1C0MP0SITI0NB Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-P-10971 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
79-040-187-2500 Harvard Industries Inc (USA)
Related Parts
5315-00-058-9813INTERCHANGEABLE
PIN,SPRING
NAS561C8-30
5315-00-291-4423INTERCHANGEABLE
PIN,SPRING
31S0780187
5315-00-527-1753INTERCHANGEABLE
PIN,SPRING
0495-19
5315-00-559-7467INTERCHANGEABLE
PIN,SPRING
NAS561C4-18
5315-00-598-2933INTERCHANGEABLE
PIN,SPRING
MS171512
5315-00-727-0098INTERCHANGEABLE
PIN,SPRING
122-2422415 PC 108
5315-00-840-0907INTERCHANGEABLE
PIN,SPRING
MS16562-214
5315-00-843-9730INTERCHANGEABLE
PIN,SPRING
42P11699-9320

Frequently Asked Questions

What is NSN 5315-00-664-7492?

NSN 5315-00-664-7492 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 5315-00-664-7492?

NSN 5315-00-664-7492 has 3 cross-referenced part numbers: MILP10971TYPE1C0MP0SITI0NB (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-P-10971 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 79-040-187-2500 (Harvard Industries Inc).

What NSN replaces 5315-00-664-7492?

There are 8 known substitutes for 5315-00-664-7492: 5315-00-058-9813, 5315-00-291-4423, 5315-00-527-1753 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILP10971TYPE1C0MP0SITI0NB?

Key specifications for MILP10971TYPE1C0MP0SITI0NB: Diameter: 0.187 INCHES NOMINAL IN; Style Designator: SLOTTED; Overall Length: 2.475 INCHES MINIMUM AND 2.525 INCHES MAXIMUM IN; Nondefinitive Spec/std Data: 1 TYPE AND B COMPOSITION. 9 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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