PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-P-10971EPin,spring

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5315-01-173-3808 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-173-3808 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-173-3808. Primary manufacturer part number: MIL-P-10971E.
Features
  • Pin,spring — FSC 5315
  • Style Designator: COILED
  • Surface Treatment: PASSIVATE OVERALL
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 302 OVERALL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Diameter: 0.125 INCHES NOMINAL IN
  • Expanded Diameter: 0.131 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN
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 5315-01-173-3808, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-01-173-3808
Primary Part NumberMIL-P-10971E
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
StatusACTIVE
Style DesignatorCOILED
Surface TreatmentPASSIVATE OVERALL
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 302 OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Diameter0.125 INCHES NOMINAL IN
Expanded Diameter0.131 INCHES MINIMUM AND 0.139 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5315-00-460-3000NAS1407N7M13 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-814-5784NAS561-3-20 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-01-059-7666MS51923-288 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-01-125-1410NAS561SF2-4 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-01-300-4181NASM10971 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-01-315-6414 INTERCHANGEABLE
Pin,spring
Cross-Reference Index
Part NumberManufacturer
MS51987-399 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-P-10971E PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5315-00-460-3000INTERCHANGEABLE
PIN,SPRING
NAS1407N7M13
5315-00-814-5784INTERCHANGEABLE
PIN,SPRING
NAS561-3-20
5315-01-059-7666INTERCHANGEABLE
PIN,SPRING
MS51923-288
5315-01-125-1410INTERCHANGEABLE
PIN,SPRING
NAS561SF2-4
5315-01-300-4181INTERCHANGEABLE
PIN,SPRING
NASM10971
5315-01-315-6414INTERCHANGEABLE
PIN,SPRING

Frequently Asked Questions

What is NSN 5315-01-173-3808?

NSN 5315-01-173-3808 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: active.

What are the part numbers for NSN 5315-01-173-3808?

NSN 5315-01-173-3808 has 2 cross-referenced part numbers: MS51987-399 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-P-10971E (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5315-01-173-3808?

There are 6 known substitutes for 5315-01-173-3808: 5315-00-460-3000, 5315-00-814-5784, 5315-01-059-7666 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-P-10971E?

Key specifications for MIL-P-10971E: Style Designator: COILED; Surface Treatment: PASSIVATE OVERALL; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 302 OVERALL. 8 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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