454542

454542 Assembled Washer Screw
Home » Catalog » Fasteners (p. 6128) » Assembled Washer Screws (p. 26) » Part Number 454542

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Datasheet. 454542 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.

0.341in. and 0.377in. ⁓25/64"

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.

0.469in. and 0.500in. ⁓1/2"

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

pan

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

0.473in. and 0.492in.

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

0.162in. and 0.175in. ⁓3/16"

Washer Quantity
The number of washers included on the item.

1

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

cross recess type 1

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.

20

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

30.0 rockwell c fastener and 40.0 rockwell c fastener

Hardness Rating
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.

40.0 rockwell c primary washer and 50.0 rockwell c primary washer

Primary Washer Outside Diameter

0.494in. and 0.510in.

Primary Washer Style
The style designation indicating the configuration that most nearly corresponds to the appearance of the primary washer.

flat external teeth

Primary Washer Material Thickness

0.023in. and 0.028in.

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

steel comp 1010 fastener or steel comp 1011 fastener or steel comp 1013 fastener or steel comp 1015 fastener or steel comp 1016 fastener or steel comp 1017 fastener or steel comp 1018 fastener or steel comp 1019 fastener or steel comp 1020 fastener

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

steel comp 1050 primary washer or steel comp 1551 primary washer or steel comp 1552 primary washer or steel comp 1053 primary washer or steel comp 1054 primary washer or steel comp 1055 primary washer or steel comp 1059 primary washer or steel comp 1060 primary washer or steel comp 1561 primary washer or steel comp 1566 primary washer

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.

sae assn std all material responses fastener

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.

sae assn std all material responses primary washer

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.

cadmium or zinc

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.

G-4252M, fscm 24617 mfr ref all treatment responses

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 assembled washer screw made of ?

Steel comp 1050 primary washer or steel comp 1551 primary washer or steel comp 1552 primary washer or steel comp 1053 primary washer or steel comp 1054 primary washer or steel comp 1055 primary washer or steel comp 1059 primary washer or steel comp 1060 primary washer or steel comp 1561 primary washer or steel comp 1566 primary washer

What material is the assembled washer screw made of ?

Steel comp 1010 fastener or steel comp 1011 fastener or steel comp 1013 fastener or steel comp 1015 fastener or steel comp 1016 fastener or steel comp 1017 fastener or steel comp 1018 fastener or steel comp 1019 fastener or steel comp 1020 fastener

What is the thread quantity per inch?

20

What is the head style?

Pan

What is the thread length?

0.341 inches minimum and 0.377 inches maximum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 454542?

5305-00-499-7694

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 454542?

FSC 5305 ⁓ Screws

NSN 5305-00-499-7694 SCREW,ASSEMBLED WASHER

unc thread series cadmium or zinc surface treated 20 thread quantity per inch pan head style 0.341" thread length right-hand 2a thread class

NIIN
004997694
NIIN Date
07/09/71
Schedule B
7318152000 
Name Code
06660
FIIG
A003B0
Item Weight
0.100lbs
Item Dimensions
--
QUP
 
Historical Price
$0.23 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

1. FF-S-92 Cage 81348
2. 7539392 Cage 19207
3. 191985 Cage 19207
4. 973551 Cage 34623
5. 191985 Cage 24617
6. 5305PL0725642 Cage 9009H

Major End Users Countries and entities

  • - Department of The Army 
  • - Department of The Navy 
  • - Department of The Air Force 
  • - U.s. Marine Corps 
  • - Austria 
  • - Poland 
  • - Spain 
  • - Republic of Korea 
  • - Greece 
  • - Turkey 

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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 screws with similar characteristics

Nothing similar to this part number was found in our inventory

454542 / Screw,assembled washerWhat is the formal definition of this item?

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).