1621250-2

16212502 Machine Screw

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Datasheet. 1621250-2 specification

Thread Class
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.

3a

Thread Quantity Per Inch
The number of threads on the item per linear inch measured on a line parallel to the thread axis.

24

Screw Material
The chemical compound or mechanical mixture properties of which the screw is fabricated.

aluminum alloy 2024

Screw Material Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the screw material.

QQ-A-225/6 fed spec single material response

Thread Series Designator
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.

unc

Answers.

What class is the thread series?

Unc

What is the thread quantity per inch?

24

What is the thread class?

3a

What is the NSN for 1621250-2?

5305-01-332-3517

How is this classified for shipping?

Schedule B number: 7616106000
Threaded fasteners of aluminum

What's the federal classification of 1621250-2?

FSC 5305 ⁓ Screws

NSN 5305-01-332-3517 SCREW,MACHINE

unc thread series 24 thread quantity per inch 3a thread class

NIIN
013323517
NIIN Date
01/10/91
Schedule B
7616106000 
Name Code
06657
FIIG
A500D0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
Metal content unknown
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Canada 
  • - New Zealand 

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Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

1621250-2 / Screw,machineWhat is the formal definition of this item?

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). no. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. a locking feature may be incorporated in the design of the head or threads. excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. see also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.