PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-P-10971 TY1CPAPin,spring

General Services Administration Federal Supply Service · NSN 5315-00-271-3003 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-271-3003 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-271-3003. Primary manufacturer part number: MIL-P-10971 TY1CPA.
Features
  • Pin,spring — FSC 5315
  • Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
  • Style Designator: SLOTTED
  • Material Thickness: 0.028 INCHES NOMINAL IN
  • Diameter: 0.125 INCHES NOMINAL IN
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Nondefinitive Spec/std Data: 1 TYPE AND A COMPOSITION
  • Material: STEEL COMP 1095 OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 1095 Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-00-271-3003, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-00-271-3003
Primary Part NumberMIL-P-10971 TY1CPA
Item NamePin,spring
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Hardness Rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Style DesignatorSLOTTED
Material Thickness0.028 INCHES NOMINAL IN
Diameter0.125 INCHES NOMINAL IN
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Nondefinitive Spec/std Data1 TYPE AND A COMPOSITION
MaterialSTEEL COMP 1095 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-058-9782MS16562-236 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-292-9636NAS561P6-11 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-576-5856 INTERCHANGEABLE
Pin,spring
5315-00-584-2311 INTERCHANGEABLE
Pin,spring
5315-00-619-3277NAS561P8-18 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-631-1320 INTERCHANGEABLE
Pin,spring
5315-00-685-0159325-12160 INTERCHANGEABLE
Pin,spring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5315-00-685-566744J8-48 INTERCHANGEABLE
Pin,spring
Philips North America Llc Dba Philips Healthcare
5325-00-763-7075305307 INTERCHANGEABLE
Ring,retaining
Brp Us Inc
5315-00-844-3662MS16562-62 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 TY1CPA General Services Administration Federal Supply Service (USA)
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)
305307 Clark Equipment Co (USA)
59-028-125-1000 Harvard Industries Inc (USA)
Related Parts
5315-00-058-9782INTERCHANGEABLE
PIN,SPRING
MS16562-236
5315-00-292-9636INTERCHANGEABLE
PIN,SPRING
NAS561P6-11
5315-00-576-5856INTERCHANGEABLE
PIN,SPRING
5315-00-584-2311INTERCHANGEABLE
PIN,SPRING
5315-00-619-3277INTERCHANGEABLE
PIN,SPRING
NAS561P8-18
5315-00-631-1320INTERCHANGEABLE
PIN,SPRING
5315-00-685-0159INTERCHANGEABLE
PIN,SPRING
325-12160
5315-00-685-5667INTERCHANGEABLE
PIN,SPRING
44J8-48
5325-00-763-7075INTERCHANGEABLE
RING,RETAINING
305307
5315-00-844-3662INTERCHANGEABLE
PIN,SPRING
MS16562-62
5315-00-844-5830INTERCHANGEABLE
PIN,SPRING
MS16562-72
6135-01-235-4168INTERCHANGEABLE
BATTERY,NONRECHARGEABLE

Frequently Asked Questions

What is NSN 5315-00-271-3003?

NSN 5315-00-271-3003 is a Pin,spring, manufactured by General Services Administration Federal Supply Service, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-271-3003?

NSN 5315-00-271-3003 has 5 cross-referenced part numbers: MIL-P-10971 TY1CPA (General Services Administration Federal Supply Service), 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), 305307 (Clark Equipment Co), 59-028-125-1000 (Harvard Industries Inc).

What NSN replaces 5315-00-271-3003?

There are 12 known substitutes for 5315-00-271-3003: 5315-00-058-9782, 5315-00-292-9636, 5315-00-576-5856 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-P-10971 TY1CPA?

Key specifications for MIL-P-10971 TY1CPA: Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Overall Length: 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM IN; Style Designator: SLOTTED; Material Thickness: 0.028 INCHES NOMINAL IN. 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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