S235A163-28

S235A16328 Externally Relieved Body Screw

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Datasheet. S235A163-28 specification

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

2a

Thread Length
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.

0.250in. ⁓1/4"

Head Diameter
The length of a straight line which passes through the center of a circular head,and terminates at the circumference.

0.256in. and 0.270in.

Head Height
A measurement from the bottom to the top of the head,in distinction from depth.

0.087in. and 0.097in. ⁓7/64"

First Diameter From Head

0.090in.

Nominal Thread Diameter
The nominal length of a straight line which passes through the center of the threaded portion,and terminates at the circumference.

0.138in. (UTS #6)

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

32

Externally Relieved Body Diameter Quantity
The number of externally relieved diameters on the body,adjacent to the head.

1

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

steel corrosion resisting

Surface Treatment
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.

oxide

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 material is the externally relieved body screw made of ?

Steel corrosion resisting

What is the thread quantity per inch?

32

What is the thread length?

0.250 inches

What is the thread class?

2a

What is the NSN for S235A163-28?

5305-01-411-9077

How is this classified for shipping?

Schedule B number: 7318152000
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of S235A163-28?

FSC 5305 ⁓ Screws

NSN 5305-01-411-9077 SCREW,EXTERNALLY RELIEVED BODY

unc thread series oxide surface treated 32 thread quantity per inch 0.250" thread length 2a thread class

NIIN
014119077
NIIN Date
04/05/95
Schedule B
7318152000 
Name Code
01852
FIIG
A003B0
QUP
 
Historical Price
$13.50 EA
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

Other Part Numbers Parts with same form, fit, and function by other manufacturers

Major End Users Countries and entities

  • - Department of The Air Force 

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Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

S235A163-28 / Screw,externally relieved bodyWhat is the formal definition of this item?

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). it is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and 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. see also bolt, externally relieved body and bolt, internal wrenching.