238446-007

238446007 Externally Relieved Body Screw

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Datasheet. 238446-007 specification

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

2a

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

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

0.210in. and 0.235in. ⁓1/4"

Fastener Length
The dimension,measured along a line parallel to the longitudinal axis,from the largest bearing surface of the fastener head to the extreme opposite end,or as specifically designated for other type fasteners.

0.410in. and 0.440in. ⁓29/64"

Head Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the head.

flat countersunk

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

0.238in. and 0.279in.

First Diameter From Head

0.138in.

Second Diameter From Head

0.100in. and 0.105in.

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.090in. and 0.105in.

Distance From Largest Bearing Surface Of Head To End Of Second Diameter

0.230in.

Internal Drive Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the internal drive.

cross recess type 1

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

an/ALR-56C

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

Countersink Angle
The included angle of the countersink.

99.0 degrees and 100.0 degrees

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

2

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

steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 or steel corrosion resisting

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 material.

comp 16-18 or 18-8 assn std 6th material response

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.

passivate

Surface Treatment Document And Classification
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.

MIL-F-14072 E300 mil spec single treatment 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 quantity is this sold in?

1EA

What class is the thread series?

Unc

What material is the externally relieved body screw made of ?

Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 or steel corrosion resisting

What is the thread quantity per inch?

32

What is the head style?

Flat countersunk

What is the thread length?

0.210 inches minimum and 0.235 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 238446-007?

5305-01-090-1509

How is this classified for shipping?

Schedule B number: 7318152000
nmfc 093486
Bolts and bolts and their nuts or washers exported in the same shipment

What's the federal classification of 238446-007?

FSC 5305 ⁓ Screws

NSN 5305-01-090-1509 SCREW,EXTERNALLY RELIEVED BODY

Used on an/alr-56c. unc thread series passivate surface treated 32 thread quantity per inch flat countersunk head style 0.210" thread length right-hand 2a thread class

NIIN
010901509
NIIN Date
02/14/80
Schedule B
7318152000 
Name Code
01852
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$191.63 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

Major End Users Countries and entities

  • - Department of The Air Force 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
Rating variable 
LCL (less than a car load rating)
Unknown
Special Cargo
No special type of cargo code applicable 
Air Freight (Minimum cargo door size required)
Shipment is not a consolidation and does not exceed 84 inches in any dimension. 
Customs Requirement Classification
Supplies and equipment for aircraft and aerial targets, including aircraft and maintenance parts, aircraft accessories, aircraft 
Commodity (for shipments via water)
Bolts or nuts (iron or steel),(less than 35 feet) 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

238446-007 / 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.