Socket Head Cap Screw NSN 5305-01-256-5199

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: 5305-01-256-5199

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.542 inches and 0.609 inches

Fastener Length

Between 0.604 inches and 0.609 inches

Head Style

Flat chamfer

Head Diameter

Between 0.218 inches and 0.226 inches

Head Height

Between 0.134 inches and 0.138 inches

Internal Drive Style

Hexagon

Thread Diameter

0.138 inches

Width Across Flats

Between 0.109 inches and 0.111 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Criticality Code Justification

Supp

Special Features

Supplemental coating with chromate optional no min. Thickness required, but 100 percent coverage is required

Material

Steel

Nuclear Hardness Critical Feature

Hardened

Surface Treatment

Cadmium

Surface Treatment Specification

Mil-std-865 military standard single treatment response

Supplementary Features

Item has other critical features such as tolerance, fit restrictions or application as well as being nuclear hard

Thread Series Designator

Unc

FSC

5305 Screws

NIIN

012565199

NSN

5305012565199

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

47B530980P4

Cage Code:

23991

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 5305-01-256-5199

What are the manufacturers of nsn 5305012565199?

Lockheed Martin Corporation (23991)
Lockheed Martin Corporation (79272)

Does this nsn 5305012565199 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305012565199
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 5305012565199 contain any precious metals?
No precious metal content.

Does nsn 5305012565199 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305012565199?
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
Quality Fast Service