Socket Head Cap Screw NSN 5305-01-267-4979

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: 5305-01-267-4979

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Fastener Length

1.000 inches

Head Style

Flat chamfer

Head Diameter

0.750 inches

Head Height

Between 0.492 inches and 0.500 inches

Shank Unthreaded Hole Diameter

0.057 inches first hole and 0.063 inches first hole

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

0.375 inches

Hole Quantity

Hole Type

Drilled

Thready Qty Per Inch (tpi)

Hole Configuration Style

Round internal hexagon

Material

Steel comp 316

Material Specification

Qq-s-763 federal specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-f-14072 military specification single treatment response

Thread Series Designator

Unc

Reference Number Differentiating Characteristics

Magnetic permeability shall not exceed 2.0 after fabrication

FSC

5305 Screws

NIIN

012674979

NSN

5305012674979

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

7249122P003

Cage Code:

03538

Status:

MSDS:

Part Number:

7249122P003VM

Cage Code:

03950

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 5305-01-267-4979

What are the manufacturers of nsn 5305012674979?

Lockheed Martin Corporation (03538)
Naval Inventory Control Point (03950)

Does this nsn 5305012674979 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305012674979
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 5305012674979 contain any precious metals?
No precious metal content.

Does nsn 5305012674979 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305012674979?
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:

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

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