PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS561P8-18Pin,spring

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5315-00-619-3277 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-619-3277 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-619-3277. Primary manufacturer part number: NAS561P8-18.
Features
  • Pin,spring — FSC 5315
  • Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
  • Material Thickness: 0.048 INCHES NOMINAL IN
  • Material: STEEL COMP 1095 OVERALL
  • Material Document and Classification: MIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Diameter: 0.250 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Style Designator: SLOTTED
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 5315-00-619-3277, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5315-00-619-3277
Primary Part NumberNAS561P8-18
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
Hardness Rating46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
Material Thickness0.048 INCHES NOMINAL IN
MaterialSTEEL COMP 1095 OVERALL
Material Document and ClassificationMIL-S-7947 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Diameter0.250 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Style DesignatorSLOTTED
Features ProvidedCASEHARDENED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5315-00-058-9782MS16562-236 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-271-3003 INTERCHANGEABLE
Pin,spring
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
5315-00-631-1320 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
5315-00-844-3662MS16562-62 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-844-5830MS16562-72 INTERCHANGEABLE
Pin,spring
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
NAS561P8-18 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NASM10971 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
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
Related Parts
5315-00-058-9782INTERCHANGEABLE
PIN,SPRING
MS16562-236
5315-00-271-3003INTERCHANGEABLE
PIN,SPRING
5315-00-292-9636INTERCHANGEABLE
PIN,SPRING
NAS561P6-11
5315-00-576-5856INTERCHANGEABLE
PIN,SPRING
5315-00-584-2311INTERCHANGEABLE
PIN,SPRING
5315-00-631-1320INTERCHANGEABLE
PIN,SPRING
5315-00-685-0159INTERCHANGEABLE
PIN,SPRING
325-12160
5315-00-685-5667INTERCHANGEABLE
PIN,SPRING
44J8-48
5315-00-844-3662INTERCHANGEABLE
PIN,SPRING
MS16562-62
5315-00-844-5830INTERCHANGEABLE
PIN,SPRING
MS16562-72

Frequently Asked Questions

What is NSN 5315-00-619-3277?

NSN 5315-00-619-3277 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 5315-00-619-3277?

NSN 5315-00-619-3277 has 4 cross-referenced part numbers: NAS561P8-18 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), NASM10971 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 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).

What NSN replaces 5315-00-619-3277?

There are 10 known substitutes for 5315-00-619-3277: 5315-00-058-9782, 5315-00-271-3003, 5315-00-292-9636 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS561P8-18?

Key specifications for NAS561P8-18: Overall Length: 1.105 INCHES MINIMUM AND 1.145 INCHES MAXIMUM IN; Hardness Rating: 46.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL; Material Thickness: 0.048 INCHES NOMINAL IN; Material: STEEL COMP 1095 OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-00-619-3277 still in active supply?

NSN 5315-00-619-3277 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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