Socket Head Cap Screw NSN 5305-01-251-3445

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: 5305-01-251-3445

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.400 inches and 0.500 inches

Fastener Length

0.500 inches

Head Style

Flat chamfer

Head Diameter

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

0.188 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

180000 pounds per square inch

Hardness Rating

39.0 rockwell c and 45.0 rockwell c

Special Features

Verical knurls, color black

Material

Steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541

Material Specification

Sae grade 8 assn standard all material responses

Surface Treatment

Oxide

Thread Series Designator

Unc

FSC

5305 Screws

NIIN

012513445

NSN

5305012513445

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

91251A537

Cage Code:

2V507

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 5305-01-251-3445

What are the manufacturers of nsn 5305012513445?

Mcmaster-carr Supply Company (2V507)
Mcmaster-carr Supply Company (39428)

Does this nsn 5305012513445 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305012513445
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 5305012513445 contain any precious metals?
No precious metal content.

Does nsn 5305012513445 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305012513445?
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