Socket Head Cap Screw NSN 5305-01-320-8040

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: 5305-01-320-8040

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

0.649 inches

Fastener Length

Between 0.720 inches and 0.750 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

Hole Diameter

Between 0.044 inches and 0.050 inches

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

Between 0.1875 inches and 0.1900 inches

Hole Quantity

Hole Type

Drilled

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Hole Configuration Style

Round internal hexagon

Material

Iron alloy 660

Material Specification

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

Precious Material And Location

silver

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams 2411 assn standard single treatment response

Thread Series Designator

Unrf

Specification Data

80205-nas1351 professional/industrial association standard

FSC

5305 Screws

NIIN

013208040

NSN

5305013208040

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

NAS1351N4H12S

Cage Code:

80205

Status:

MSDS:

Part Number:

20428-002 FIND 99

Cage Code:

78062

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 5305-01-320-8040

What are the manufacturers of nsn 5305013208040?

National Aerospace Standards (80205)
Sargent Aerospace & Defense, Llc (78062)

Does this nsn 5305013208040 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305013208040
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 5305013208040 contain any precious metals?
Item contains silver.

Does nsn 5305013208040 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305013208040?
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