PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M21143/2-22Pin,straight,headless

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5315-01-352-2821 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-01-352-2821 — this item is cataloged by the U.S. Government under National Stock Number 5315-01-352-2821. Primary manufacturer part number: M21143/2-22.
Features
  • Pin,straight,headless — FSC 5315
  • Pin Overall Diameter: 0.0623 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
  • Pin Overall Length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
  • First End Style: SQUARE
  • Second End Relationship with First End: IDENTICAL
  • Material: STEEL COMP 303 OVERALL
  • 2 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 Comp 303 Overall construction
General Description

The Pin,straight,headless, cataloged under National Stock Number 5315-01-352-2821, 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 2 commercial cross-references from 1 manufacturer, 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
NSN5315-01-352-2821
Primary Part NumberM21143/2-22
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 Diameter0.0623 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
Pin Overall Length0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
First End StyleSQUARE
Second End Relationship with First EndIDENTICAL
MaterialSTEEL COMP 303 OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5315-00-823-8767 INTERCHANGEABLE
Pin,straight,headless
5315-00-987-0867 INTERCHANGEABLE
Pin,straight,headless
5315-01-049-4800 INTERCHANGEABLE
Pin,straight,headless
5315-01-255-6652 INTERCHANGEABLE
Pin,straight,headless
5315-01-269-4473 INTERCHANGEABLE
Pin,straight,headless
5315-01-271-8431 INTERCHANGEABLE
Pin,straight,headless
5315-01-285-4083 INTERCHANGEABLE
Pin,straight,headless
5315-01-285-7142 INTERCHANGEABLE
Pin,straight,headless
5315-01-324-8900 INTERCHANGEABLE
Pin,straight,headless
5315-01-334-3814 INTERCHANGEABLE
Pin,straight,headless
Cross-Reference Index
Part NumberManufacturer
M21143/2-22 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-P-21143/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5315-00-823-8767INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-00-987-0867INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-049-4800INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-255-6652INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-269-4473INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-271-8431INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-285-4083INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-285-7142INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-324-8900INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-334-3814INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5315-01-343-8477INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
M21143/2-128
5315-01-351-1962INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS

Frequently Asked Questions

What is NSN 5315-01-352-2821?

NSN 5315-01-352-2821 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 5315-01-352-2821?

NSN 5315-01-352-2821 has 2 cross-referenced part numbers: M21143/2-22 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-P-21143/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5315-01-352-2821?

There are 12 known substitutes for 5315-01-352-2821: 5315-00-823-8767, 5315-00-987-0867, 5315-01-049-4800 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M21143/2-22?

Key specifications for M21143/2-22: Pin Overall Diameter: 0.0623 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN; Pin Overall Length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN; First End Style: SQUARE; Second End Relationship with First End: IDENTICAL. 5 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5315-01-352-2821 still in active supply?

NSN 5315-01-352-2821 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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