PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS561P5-18Pin,spring

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5315-00-619-7975 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-619-7975 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-619-7975. Primary manufacturer part number: NAS561P5-18.
Features
  • Pin,spring — FSC 5315
  • Diameter: 0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
  • Material Thickness: 0.032 INCHES NOMINAL IN
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A CONDITION
  • Material Document and Classification: MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SLOTTED
  • 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 Comp 1095 Overall construction
General Description

The Pin,spring, cataloged under National Stock Number 5315-00-619-7975, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5315-00-619-7975
Primary Part NumberNAS561P5-18
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
StatusCANCELLED
Diameter0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN
Material Thickness0.032 INCHES NOMINAL IN
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS AND A CONDITION
Material Document and ClassificationMIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSLOTTED
Hardness Rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentCADMIUM OVERALL
MaterialSTEEL COMP 1095 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5315-00-281-7230A2677A INTERCHANGEABLE
Pin,spring
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
Cross-Reference Index
Part NumberManufacturer
M1927B Zf Industrieantriebe Witten Gmbh (DEU)
MILP10971TYPE1C0MP0SITI0NA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
23-S-156-1125 Unbrako (a Division of S P S Technologies Ltd) (GBR)
NAS561P5-18 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NASM10971TYPE1COMPOSITIONA National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
52-032-156-1125 Esna, Llc (USA)
Related Parts
5315-00-281-7230INTERCHANGEABLE
PIN,SPRING
A2677A

Frequently Asked Questions

What is NSN 5315-00-619-7975?

NSN 5315-00-619-7975 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: cancelled.

What are the part numbers for NSN 5315-00-619-7975?

NSN 5315-00-619-7975 has 6 cross-referenced part numbers: M1927B (Zf Industrieantriebe Witten Gmbh), MILP10971TYPE1C0MP0SITI0NA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 23-S-156-1125 (Unbrako (a Division of S P S Technologies Ltd)), NAS561P5-18 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NASM10971TYPE1COMPOSITIONA (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 1 more.

What NSN replaces 5315-00-619-7975?

There is 1 known substitute for 5315-00-619-7975: 5315-00-281-7230. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS561P5-18?

Key specifications for NAS561P5-18: Diameter: 0.162 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN; Overall Length: 1.105 INCHES MINIMUM AND 1.145 INCHES MAXIMUM IN; Material Thickness: 0.032 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS AND A CONDITION. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-00-619-7975 still in active supply?

NSN 5315-00-619-7975 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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