PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M21143/1-66Pin,straight,headless

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5315-01-065-6013 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-065-6013 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-065-6013. Primary manufacturer part number: M21143/1-66.
Features
  • Pin,straight,headless — FSC 5315
  • Pin Overall Diameter: 0.2500 INCHES MINIMUM AND 0.2502 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • First End Style: SQUARE
  • Pin Overall Length: 0.500 INCHES NOMINAL IN
  • Second End Relationship with First End: IDENTICAL
  • 3 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Pin,straight,headless, cataloged under National Stock Number 5315-01-065-6013, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Cancelled.

Technical Specifications
ParameterValue
NSN5315-01-065-6013
Primary Part NumberM21143/1-66
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
StatusCANCELLED
Pin Overall Diameter0.2500 INCHES MINIMUM AND 0.2502 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
First End StyleSQUARE
Pin Overall Length0.500 INCHES NOMINAL IN
Second End Relationship with First EndIDENTICAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
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
5315-01-012-6017 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
M21143/1-66 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
311-0814-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
MIL-P-21143 Military Specifications Promulgated by Military Departments/agencies 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
5315-01-012-6017INTERCHANGEABLE
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 5315-01-065-6013?

NSN 5315-01-065-6013 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: cancelled.

What are the part numbers for NSN 5315-01-065-6013?

NSN 5315-01-065-6013 has 3 cross-referenced part numbers: M21143/1-66 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 311-0814-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), MIL-P-21143 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5315-01-065-6013?

There are 12 known substitutes for 5315-01-065-6013: 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 M21143/1-66?

Key specifications for M21143/1-66: Pin Overall Diameter: 0.2500 INCHES MINIMUM AND 0.2502 INCHES MAXIMUM IN; Material: STEEL CORROSION RESISTING OVERALL; First End Style: SQUARE; Pin Overall Length: 0.500 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-01-065-6013 still in active supply?

NSN 5315-01-065-6013 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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