PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS561-3-6Pin,spring

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5315-01-215-1581 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-215-1581 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-215-1581. Primary manufacturer part number: NAS561-3-6.
Features
  • Pin,spring — FSC 5315
  • Diameter: 0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
  • Style Designator: SLOTTED
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090 OR STEEL COMP 1095 OVERALL
  • Specification/standard Data: 80205-NAS561 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Shear Strength: 1000 DOUBLE POUND
  • Material Thickness: 0.022 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 1070 or Steel Comp 1074 or Steel Comp 1075 or Steel Comp 1078 or Steel Comp 1080 or Steel Comp 1084 or Steel Comp 1085 or Steel Comp 1086 or Steel Comp 1090 or Steel Comp 1095 Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-01-215-1581, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-01-215-1581
Primary Part NumberNAS561-3-6
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
Diameter0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
Style DesignatorSLOTTED
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090 OR STEEL COMP 1095 OVERALL
Specification/standard Data80205-NAS561 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Shear Strength1000 DOUBLE POUND
Material Thickness0.022 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5315-00-844-4789MS16562-23 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5961-01-143-0960 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
B2512 Clark Masts Teksam Ltd (GBR)
NAS561-3-6 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
B2512 Clark Masts Teksam (BEL)
21S094-0375 Unbrako (a Division of S P S Technologies Ltd) (GBR)
Related Parts
5315-00-844-4789INTERCHANGEABLE
PIN,SPRING
MS16562-23
5961-01-143-0960INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5315-01-215-1581?

NSN 5315-01-215-1581 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 5315-01-215-1581?

NSN 5315-01-215-1581 has 4 cross-referenced part numbers: B2512 (Clark Masts Teksam Ltd), NAS561-3-6 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), B2512 (Clark Masts Teksam), 21S094-0375 (Unbrako (a Division of S P S Technologies Ltd)).

What NSN replaces 5315-01-215-1581?

There are 2 known substitutes for 5315-01-215-1581: 5315-00-844-4789, 5961-01-143-0960. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS561-3-6?

Key specifications for NAS561-3-6: Diameter: 0.099 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN; Style Designator: SLOTTED; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1075 OR STEEL COMP 1078 OR STEEL COMP 1080 OR STEEL COMP 1084 OR STEEL COMP 1085 OR STEEL COMP 1086 OR STEEL COMP 1090 OR STEEL COMP 1095 OVERALL. 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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