Assembled Washer Screw NSN 5305-00-018-7180

Item Description

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

NSN: 5305-00-018-7180

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.688 inches and 0.750 inches

Fastener Length

0.750 inches

Head Style

Round

Head Diameter

Between 0.334 inches and 0.359 inches

Head Height

Between 0.123 inches and 0.137 inches

Washer Quantity

Internal Drive Style

Cross recess type 1

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Hardness Rating

40.0 rockwell c and 50.0 rockwell c primary washer

Primary Washer Outside Diameter

Between 0.365 inches and 0.381 inches

Primary Washer Style

Flat external teeth

Primary Washer Material Thickness

Between 0.018 inches and 0.024 inches

Material

Steel

Surface Treatment

Cadmium or zinc

Surface Treatment Specification

Qq-p-416, type 1, cl 3 federal specification 1st treatment response or qq-z-325, type 1, cl 3 federal specification 2nd treatment response

Thread Series Designator

Unf

FSC

5305 Screws

NIIN

000187180

NSN

5305000187180

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

187180

Cage Code:

21450

Status:

MSDS:

Part Number:

A8044-12

Cage Code:

07639

Status:

MSDS:

Part Number:

79911

Cage Code:

78385

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 5305-00-018-7180

What are the manufacturers of nsn 5305000187180?

Does this nsn 5305000187180 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305000187180
A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Does nsn 5305000187180 contain any precious metals?
Precious metal content is unknown.

Does nsn 5305000187180 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305000187180?
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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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service