Socket Head Cap Screw NSN 5305-00-256-8620

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: 5305-00-256-8620

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.759 inches and 0.891 inches

Fastener Length

Between 0.859 inches and 0.891 inches

Head Style

Flat chamfer

Head Diameter

Between 0.365 inches and 0.375 inches

Head Height

Between 0.244 inches and 0.250 inches

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

Between 0.1875 inches and 0.1900 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

180000 pounds per square inch

Hardness Rating

38.0 rockwell c and 45.0 rockwell c

Minimum Yield Strength

150000 pounds per square inch

Material

Steel uns k03104

Material Specification

Astm a574 assn standard single material response

Surface Treatment

Oxide

Surface Treatment Specification

Mil-c-13924, cl 1 military specification single treatment response

Thread Series Designator

Unrc

Specification Data

80205-nas1352 professional/industrial association standard

FSC

5305 Screws

NIIN

002568620

NSN

5305002568620

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

PWA82004-26

Cage Code:

77445

Status:

MSDS:

Part Number:

00047

Cage Code:

D9182

Status:

MSDS:

Part Number:

NAS1352-4-14

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 5305-00-256-8620

What are the manufacturers of nsn 5305002568620?

United Technologies Corporation (77445)
Zf Industrieantriebe Witten Gmbh (D9182)
National Aerospace Standards (80205)

Does this nsn 5305002568620 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305002568620
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 5305002568620 contain any precious metals?
No precious metal content.

Does nsn 5305002568620 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305002568620?
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