Hexagon Head Cap Screw NSN 5305-01-556-1578

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: 5305-01-556-1578

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Fastener Length

0.750 inches

Head Style

Hexagon

Head Height

0.750 inches

Locking Feature

Patch locking feature

End Application

Mk63 mod2, shield, 5 inch

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Part Name Assigned By Controlling Agency

Screw, cap, hex head

Material

Steel comp 316

Material Specification

Uns s31600 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Sae-ams-qq-p-35 assn standard single treatment response

Thread Series Designator

Unc

FSC

5305 Screws

NIIN

015561578

NSN

5305015561578

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

7402869-C-111

Cage Code:

53711

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 5305-01-556-1578

What are the manufacturers of nsn 5305015561578?

Naval Sea Systems Command (53711)

Does this nsn 5305015561578 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305015561578
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 5305015561578 contain any precious metals?
No precious metal content.

Does nsn 5305015561578 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305015561578?
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