Socket Head Cap Screw NSN 5305-01-274-2899

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: 5305-01-274-2899

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.789 inches and 0.890 inches

Fastener Length

Between 0.860 inches and 0.890 inches

Head Style

Flat chamfer

Head Diameter

Between 0.2435 inches and 0.2500 inches

Head Height

Between 0.244 inches and 0.250 inches

Locking Feature

Pellet threads or strip threads or patch threads

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)

80000 pounds per square inch

Hardness Rating

80.0 rockwell c

Material

Steel comp 302 or steel comp 305 or steel comp 304 or steel comp 316 or steel comp 384

Material Specification

Astm a493 assn standard all material responses

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unf

Nondefinitive Specification/std Data

1 type

FSC

5305 Screws

NIIN

012742899

NSN

5305012742899

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

FF-S-86

Cage Code:

81349

Status:

MSDS:

Part Number:

MS21295-50

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 5305-01-274-2899

What are the manufacturers of nsn 5305012742899?

Does this nsn 5305012742899 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305012742899
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 5305012742899 contain any precious metals?
No precious metal content.

Does nsn 5305012742899 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305012742899?
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