Hexagon Head Cap Screw NSN 5305-01-176-3973

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: 5305-01-176-3973

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.255 inches and 0.375 inches

Fastener Length

Between 0.344 inches and 0.375 inches

Head Height

Between 0.150 inches and 0.163 inches

Width Between Flats

Between 0.428 inches and 0.438 inches

Hole Diameter

Between 0.0605 inches and 0.0685 inches

Thread Diameter

0.250 inches

Hole Quantity

Hole Type

Drilled

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

Hole Configuration Style

Hexagon flats

Surface Finish

63.0 microinches threads

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

66 federal standard all material responses

Surface Treatment

Zinc and chromate

Surface Treatment Specification

Astm b633 type 2 sc 3 assn standard single treatment response

Thread Series Designator

Unf

Nondefinitive Specification/std Data

2 type and 10p style and 8 grade

FSC

5305 Screws

NIIN

011763973

NSN

5305011763973

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

B1821BH025F038D

Cage Code:

80204

Status:

MSDS:

Part Number:

908943C1

Cage Code:

55820

Status:

MSDS:

Part Number:

FF-S-85

Cage Code:

81348

Status:

MSDS:

Part Number:

MS18153-1

Cage Code:

96906

Status:

MSDS:

Part Number:

MS51096-301

Cage Code:

96906

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 5305-01-176-3973

What are the manufacturers of nsn 5305011763973?

Does this nsn 5305011763973 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305011763973
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 5305011763973 contain any precious metals?
No precious metal content.

Does nsn 5305011763973 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305011763973?
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:

What do you get when you order from nationalstocknumber.org?

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