Socket Head Cap Screw NSN 5305-00-998-5904

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

NSN: 5305-00-998-5904

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.631 inches and 0.651 inches

Fastener Length

Between 1.693 inches and 1.713 inches

Head Style

Flat countersunk

Head Diameter

Between 0.752 inches and 0.762 inches

Internal Drive Style

Hexagon

Thread Diameter

0.375 inches

Width Across Flats

Between 0.209 inches and 0.231 inches

Features Provided

Casehardened

Thready Qty Per Inch (tpi)

Hardness Rating

36.0 rockwell c and 40.0 rockwell c

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Material

Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740

Material Specification

Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 type 2 cl 3 federal specification all treatment responses

Thread Series Designator

Unf

FSC

5305 Screws

NIIN

009985904

NSN

5305009985904

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

NAS336CA15

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 5305-00-998-5904

What are the manufacturers of nsn 5305009985904?

National Aerospace Standards (80205)

Does this nsn 5305009985904 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305009985904
An externally threaded fastener whose threaded portion is of one nominal diameter. the head has an internal socket or multiple spline for use with an inserted driver. a locking feature may be incorporated in the design of the head or threads. excludes items with bevel (conical) heads. see bolt, internal wrenching. excludes screw, shoulder; and screw, machine.

Does nsn 5305009985904 contain any precious metals?
Precious metal content is unknown.

Does nsn 5305009985904 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305009985904?
No known electrostatic discharge.

Identification Group

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

INC

FIIG

App. Key

Cond. Code

Status

INC:

16282

FIIG:

A003B0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
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