PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-P-21143Pin,straight,headless

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5315-01-012-6017 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-012-6017 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-012-6017. Primary manufacturer part number: MIL-P-21143.
Features
  • Pin,straight,headless — FSC 5315
  • Pin Overall Diameter: 0.0640 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nondefinitive Spec/std Data: 2 CLASS
  • Surface Treatment: CADMIUM OVERALL
  • Second End Corner Radius: 0.008 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
  • Surface Finish: 125.0 MICROINCHES BOTH ENDS
Applications
  • Applications requiring Steel Overall construction
General Description

The Pin,straight,headless, cataloged under National Stock Number 5315-01-012-6017, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5315-01-012-6017
Primary Part NumberMIL-P-21143
Item NamePin,straight,headless
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Pin Overall Diameter0.0640 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nondefinitive Spec/std Data2 CLASS
Surface TreatmentCADMIUM OVERALL
Second End Corner Radius0.008 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN
Surface Finish125.0 MICROINCHES BOTH ENDS
Pin Overall Length0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Second End StyleRADIUS
Surface Finish16.0 MICROINCHES OUTSIDE DIAMETER
First End Taper Length0.172 INCHES NOMINAL IN
First End StyleCHAMFERED
First End Taper Angle8.0 DEGREES NOMINAL
Shear Strength790 DOUBLE POUNDS PER SQUARE INCH
Second End Relationship with First EndNOT IDENTICAL
Hardness Rating58.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM OVERALL
Features ProvidedCASEHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-010-3696 INTERCHANGEABLE
Pin,straight,headless
5315-00-014-1119 INTERCHANGEABLE
Pin,straight,headless
5315-00-597-6100 INTERCHANGEABLE
Pin,straight,headless
5315-00-680-3755 INTERCHANGEABLE
Pin,straight,headless
5315-00-805-7292 INTERCHANGEABLE
Pin,straight,headless
5315-00-806-7040NASM16555-620 INTERCHANGEABLE
Pin,straight,headless
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5315-00-969-6769 INTERCHANGEABLE
Pin,straight,headless
5315-01-065-6013 INTERCHANGEABLE
Pin,straight,headless
5315-01-169-5673325-16140 INTERCHANGEABLE
Pin,spring
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5315-01-210-0922MS16555-24 INTERCHANGEABLE
Pin,straight,headless
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
MIL-P-21143 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS16556-808 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5315-00-010-3696INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-00-014-1119INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-00-597-6100INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-00-680-3755INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-00-805-7292INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-00-806-7040INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
NASM16555-620
5315-00-969-6769INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-065-6013INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-169-5673INTERCHANGEABLE
PIN,SPRING
325-16140
5315-01-210-0922INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
MS16555-24
5315-01-210-2960INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
MS16556-102
5315-01-286-0016INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS

Frequently Asked Questions

What is NSN 5315-01-012-6017?

NSN 5315-01-012-6017 is a Pin,straight,headless, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-01-012-6017?

NSN 5315-01-012-6017 has 2 cross-referenced part numbers: MIL-P-21143 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS16556-808 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5315-01-012-6017?

There are 12 known substitutes for 5315-01-012-6017: 5315-00-010-3696, 5315-00-014-1119, 5315-00-597-6100 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-P-21143?

Key specifications for MIL-P-21143: Pin Overall Diameter: 0.0640 INCHES MAXIMUM IN; Material: STEEL OVERALL; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Nondefinitive Spec/std Data: 2 CLASS. 17 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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