Assembled Washer Screw NSN 5305-00-285-5278

Item Description

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

NSN: 5305-00-285-5278

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

0.475 inches

Fastener Length

0.500 inches

Head Style

Pan

Head Diameter

Between 0.473 inches and 0.492 inches

Head Height

Between 0.162 inches and 0.175 inches

Washer Quantity

Internal Drive Style

Cross recess type 1

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Hardness Rating

40.0 rockwell c primary washer and 50.0 rockwell c primary washer

Primary Washer Outside Diameter

Between 0.466 inches and 0.478 inches

Primary Washer Style

Flat internal teeth

Primary Washer Material Thickness

0.025 inches

Material

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

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

Unc

FSC

5305 Screws

NIIN

002855278

NSN

5305002855278

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

454789

Cage Code:

21450

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 5305-00-285-5278

What are the manufacturers of nsn 5305002855278?

Army Weapons Command (21450)

Does this nsn 5305002855278 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305002855278
A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Does nsn 5305002855278 contain any precious metals?
Precious metal content is unknown.

Does nsn 5305002855278 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305002855278?
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