554861

554861 Setscrew

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Datasheet. 554861 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.

0.230in. and 0.250in. ⁓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.

0.780in. and 0.790in. ⁓51/64"

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

flat fillister

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

0.250in. and 0.260in.

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

0.530in. and 0.540in. ⁓35/64"

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

0.178in. and 0.198in.

Point Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the point.

flat

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

slot

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

propeller systems

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

0.250in. ⁓1/4"

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

28

Criticality Code Justification
The master requirement codes of those requirements which are technically critical by reason of tolerance,fit,performance,or other characteristics which affect identification of the item.

feat and agav

Special Features
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.

screw, special head; critical dimensions

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

steel comp 8740

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.

AMS6322 assn std 1st material response or MIL-S-6049 mil spec 2nd 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.

unf

Answers.

What quantity is this sold in?

1EA

What class is the thread series?

Unf

What material is the setscrew made of ?

Steel comp 8740

What is the thread quantity per inch?

28

What is the head style?

Flat fillister

What is the thread length?

0.230 inches minimum and 0.250 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 554861?

5305-00-887-2090

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 554861?

FSC 5305 ⁓ Screws

NSN 5305-00-887-2090 SETSCREW

Used on propeller systems. unf thread series screw, special head; critical dimensions 28 thread quantity per inch flat fillister head style 0.230" thread length right-hand 2a thread class

NIIN
008872090
NIIN Date
01/01/62
Schedule B
7318152000 
Name Code
06672
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
Historical Price
$37.65 EA
DEMIL / ITAR
USML/ITAR controlled item (Code: B)
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

  • - Department of The Air Force 
  • - Department of The Navy 
  • - U.s. Coast Guard 
  • - Poland 
  • - Brazil 
  • - Spain 
  • - Singapore 
  • - Malaysia 
  • - Australia 
  • - Belgium 
  • - Canada 
  • - New Zealand 
  • - Germany 
  • - Republic of Korea 
  • - United Kingdom 
  • - Netherlands 
  • - Portugal 
  • - Denmark 
  • - Norway 
  • - Greece 
  • - Turkey 
  • - Nato Maintenance And Supply Agency 

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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
Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater 
Commodity (for shipments via water)
Metal hardware 
NMFC (national motor freight code)
093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3) 
UFC (universal freight code)
48950 

Similar by Design Other setscrews with similar characteristics

Nothing similar to this part number was found in our inventory

554861 / SetscrewWhat is the formal definition of this item?

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. a locking feature may be incorporated in the design of the head or threads.