Socket Head Cap Screw NSN 5305-01-266-8539

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: 5305-01-266-8539

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.400 inches and 0.450 inches

Fastener Length

Between 0.722 inches and 0.752 inches

Head Style

Flat countersunk

Head Diameter

Between 0.338 inches and 0.381 inches

Locking Feature

Patch threads

Single Shear Strength

95000 pounds per square inch

Internal Drive Style

Cross recess type 1

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Hardness Rating

39.0 rockwell c and 43.0 rockwell c

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Surface Finish

32.0 microinches threads

Material

Iron alloy 660

Material Specification

Ams 5731 assn standard single material response or ams 5737 assn standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 type 2 cl 2 federal specification single treatment response

Thread Series Designator

Unjf

Specification Data

80205-nas7204 professional/industrial association standard

FSC

5305 Screws

NIIN

012668539

NSN

5305012668539

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

NAS7204P5

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 5305-01-266-8539

What are the manufacturers of nsn 5305012668539?

National Aerospace Standards (80205)

Does this nsn 5305012668539 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305012668539
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 5305012668539 contain any precious metals?
No precious metal content.

Does nsn 5305012668539 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305012668539?
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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