643953-401

643953401 Plain Hexagon Nut

Price Quote Get an up to date pricing and availability quote for this product. Order online or over the phone.

Part Number:
Quantity Requested:
Your Email:
Full Name:
Contact Phone:
Company:

Quality Commitment

Serving our customers with quality and safety first.

  •   AS9120 Certified
  •   Audited supply chain
  •   ITAR Registered
  •   DDTC Registered
  •   HAZMAT Certified
  •   Customer service objectives
  •   Every product 100% inspected
AS9120 Certified by SAI Global

Datasheet. 643953-401 specification

Thread Direction
The direction of the thread when viewed axially. a right-hand thread winds in a clockwise direction while a left-hand thread winds in a counterclockwise direction.

RIGHT-Hand

End Item Identification
The national stock number or the identification information of the end equipment for which the item is a part.

flow limiting valve assembly, model 200-40A

Thread Series
A designation indicating the diameter-pitch combination and the number of threads per measurement scale applied to a series of diameters.

unf

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

24

Nominal Thread Size
A designation that is used for the purpose of general identification of the thread.

0.375in. ⁓3/8"

Answers.

What is the thread quantity per inch?

24

What is the thread direction?

Right-hand

What is the NSN for 643953-401?

5310-01-536-0173

What's the federal classification of 643953-401?

FSC 5310 ⁓ Nuts and washers

Note-nuts and washers, including specially designed, are to be classified in this fsc. a. nuts are a small metal block made in a variety of shapes such as square and hexagonal which is drilled and internally threaded. b. washers are a perforated piece of metal, leather, or other materials of various shapes or forms. they are used primarily as a seat for a bolt, nut, screw, rivet or nail to distribute pressure and prevent endwise motion over an area and/or to prevent movement between two parts by means of restraining features created by the shape of its edges.

Excluding bearing thrust washers (fsc 3120); shims (fsc 5365); ring spacers (fsc 5365); plate spacers (fsc 5365); lock rings (fsc 5365).

NSN 5310-01-536-0173 NUT,PLAIN,HEXAGON

Used on flow limiting valve assembly, model 200-40a. 24 thread quantity per inch right-hand

NIIN
015360173
NIIN Date
12/16/05
Schedule B
 
Name Code
01857
FIIG
A021A0
DEMIL / ITAR
Uncontrolled item (Code A)
Hazmat
No hazard information available from HMIRS.
MSDS
N/A
Precious Metals
No precious metals
Enviromental
N/A
Electrostatic ESD & EMI
No ESD or EMI sensitivity

Major End Users Countries and entities

  • - Canada 

Availability for 643953-401 A member of our team will provide you with a price and availability quote

Request a Quote »

Similar by Design Other nuts with similar characteristics

Nothing similar to this part number was found in our inventory

643953-401 / Nut,plain,hexagonWhat is the formal definition of this item?

A nut, flat on top and bottom having 6 flat sides. for items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. see also locknut, tube fitting. for items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)