Assembled Washer Screw NSN 5305-00-042-0451

Item Description

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

NSN: 5305-00-042-0451

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

0.438 inches

Fastener Length

0.438 inches

Head Style

Round

Head Diameter

Between 0.240 inches and 0.260 inches

Head Height

Between 0.091 inches and 0.103 inches

Washer Quantity

Internal Drive Style

Cross recess type 1

Thread Diameter

0.138 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 0.278 inches and 0.288 inches

Primary Washer Style

Flat internal teeth

Primary Washer Material Thickness

0.018 inches

Material

Steel or steel comp 1010 or steel comp 1050 or steel comp 1566

Material Specification

Sae assn standard all material responses

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

000420451

NSN

5305000420451

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

420451

Cage Code:

21450

Status:

MSDS:

Part Number:

5305000420451

Cage Code:

SCY13

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 5305-00-042-0451

What are the manufacturers of nsn 5305000420451?

Army Weapons Command (21450)
E.c.a Etablissement (SCY13)

Does this nsn 5305000420451 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305000420451
A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Does nsn 5305000420451 contain any precious metals?
Precious metal content is unknown.

Does nsn 5305000420451 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305000420451?
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:

What do you get when you order from nationalstocknumber.org?

On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service