503-7-16

503716 Assembled Washer Screw

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Datasheet. 503-7-16 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.

0.396in. ⁓13/32"

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.

0.438in. ⁓29/64"

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

binding

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

0.197in. and 0.208in.

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

0.051in. ⁓1/16"

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.

slot

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

0.051in.

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

48

Primary Washer Outside Diameter

0.220in.

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

flat internal teeth

Primary Washer Material Thickness

0.027in. and 0.034in.

Part Name Assigned By Controlling Agency
The name assigned to the item by the government agency or commercial organization controlling the design of the item.

navy special project

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

copper alloy fastener

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

steel comp 410 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.

nickel threads

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 primary washer

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 410 primary washer

What material is the assembled washer screw made of ?

Copper alloy fastener

What is the thread quantity per inch?

48

What is the head style?

Binding

What is the thread length?

0.396 inches minimum

What is the thread direction?

Right-hand

What is the thread class?

2a

What is the NSN for 503-7-16?

5305-00-685-7658

How is this classified for shipping?

Schedule B number: 7415338550
nmfc 096630
Other copper screws (not for wood) bolts and nuts

What's the federal classification of 503-7-16?

FSC 5305 ⁓ Screws

NSN 5305-00-685-7658 SCREW,ASSEMBLED WASHER

unc thread series passivate primary washer surface treated navy special project 48 thread quantity per inch binding head style 0.396" thread length right-hand 2a thread class

NIIN
006857658
NIIN Date
01/01/63
Schedule B
7415338550 
Name Code
06660
FIIG
A003B0
QUP
 
Historical Price
$0.13 EA
DEMIL / ITAR
Uncontrolled item (Code A)
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

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

Major End Users Countries and entities

  • - Department of The Navy 

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Shipping Information

Special Handling
Other or no special handling required (sh) 
LTL (less than a truck load rating)
70.0 
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)
096630 SCREWS NOI BRASS/BRONZE/COPPER 
UFC (universal freight code)
50590 

Similar by Design Other screws with similar characteristics

Nothing similar to this part number was found in our inventory

503-7-16 / 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).