Assembled Washer Screw NSN 5305-01-071-8757

Item Description

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

NSN: 5305-01-071-8757

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.187 inches and 0.312 inches

Fastener Length

Between 0.280 inches and 0.312 inches

Head Style

Pan

Head Diameter

Between 0.256 inches and 0.270 inches

Head Height

Between 0.087 inches and 0.097 inches

Washer Quantity

Internal Drive Style

Cross recess type 1

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Hardness Rating

35.0 rockwell c primary washer and 43.0 rockwell c primary washer

Secondary Washer Relationship To Primary Washer

Not identical

Secondary Washer Style

Flat

Primary Washer Outside Diameter

0.250 inches

Secondary Washer Outside Diameter

Between 0.253 inches and 0.263 inches

Primary Washer Style

Split helical ring

Primary Washer Material Thickness

0.031 inches

Secondary Washer Material Thickness

Between 0.013 inches and 0.019 inches

Material

Steel comp 430 fastener or steel comp 302 fastener or steel comp 303 fastener or steel comp 303se fastener

Material Specification

Qq-s-763 federal specification 1st material response fastener or mil-s-7720 military specification 2nd material response fastener or astm a582 assn standard 3rd material response fastener or astm a582 assn standard 4th material response fastener

Surface Treatment

Passivate secondary washer

Surface Treatment Specification

Qq-p-35 federal specification single treatment response primary washer

Thread Series Designator

Unc

Specification Data

80205-nas1301 professional/industrial association standard

FSC

5305 Screws

NIIN

010718757

NSN

5305010718757

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

NAS1301C6-7

Cage Code:

80205

Status:

MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov

Schedule B Number: 7318152000
NAICS: 332722
SITC: 69421
Description: Bolts and bolts and their nuts or washers exported in the same shipment
End Use (Code 12110):
Iron and steel products, other

Q & A

Frequently asked questions for NSN 5305-01-071-8757

What are the manufacturers of nsn 5305010718757?

National Aerospace Standards (80205)

Does this nsn 5305010718757 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305010718757
A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Does nsn 5305010718757 contain any precious metals?
Precious metal content is unknown.

Does nsn 5305010718757 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305010718757?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

06660

FIIG:

A003B0

App. Key:

Cond. Code:

Status:

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Certificate of Conformance
Quality Inspected Parts
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