Hexagon Head Cap Screw NSN 5305-00-245-5261

Item Description

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

NSN: 5305-00-245-5261

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

0.938 inches

Fastener Length

Between 0.969 inches and 1.000 inches

Head Style

Hexagon

Head Height

Between 0.150 inches and 0.163 inches

Width Between Flats

Between 0.428 inches and 0.437 inches

Shank Unthreaded Hole Diameter

0.074 inches first hole and 0.082 inches first hole

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

150000 pounds per square inch

Hardness Rating

32.0 rockwell c and 38.0 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center

0.850 inches first hole and 0.901 inches first hole

Surface Finish

63.0 microinches threads

Material

Steel

Material Specification

Sae gr 8 assn standard single material response

Surface Treatment

Phosphate zinc

Surface Treatment Specification

Mil-p-16232, ty z, cl 2 military specification single treatment response

Thread Series Designator

Unf

Nondefinitive Specification/std Data

2 type and 10p style and 8 grade

FSC

5305 Screws

NIIN

002455261

NSN

5305002455261

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MS51108-8

Cage Code:

96906

Status:

MSDS:

Part Number:

FFS85

Cage Code:

81348

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 5305-00-245-5261

What are the manufacturers of nsn 5305002455261?

Military Standards (96906)
Federal Specifications (81348)

Does this nsn 5305002455261 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305002455261
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

Does nsn 5305002455261 contain any precious metals?
Precious metal content is unknown.

Does nsn 5305002455261 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305002455261?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)

INC

FIIG

App. Key

Cond. Code

Status

INC:

18257

FIIG:

A003B0

App. Key:

Cond. Code:

Status:

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On Time Delivery
Certificate of Conformance
Quality Inspected Parts
Quality Fast Service