Socket Head Cap Screw NSN 5305-00-055-6173

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: 5305-00-055-6173

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.422 inches and 0.516 inches

Fastener Length

Between 0.484 inches and 0.516 inches

Head Style

Flat chamfer

Head Diameter

Between 0.303 inches and 0.312 inches

Head Height

Between 0.185 inches and 0.190 inches

Locking Feature

Pellet threads or strip threads

Internal Drive Style

Hexagon

Thread Diameter

0.190 inches

Width Across Flats

Between 0.156 inches and 0.158 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

80000 pounds per square inch

Hardness Rating

80.0 rockwell b

Minimum Yield Strength

30000 pounds per square inch

Material

Steel comp 302 fastener or steel comp 304 fastener or steel comp 305 fastener or steel comp 316 fastener or steel comp 384 fastener or steel comp xm-7 fastener

Material Specification

Astm a493 assn standard all material responses fastener

Surface Treatment

Cadmium fastener and chromate fastener

Surface Treatment Specification

Qq-p-416, type 2 class 2 federal specification single treatment response fastener

Thread Series Designator

Unf

FSC

5305 Screws

NIIN

000556173

NSN

5305000556173

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

NAS1351C3LE8P

Cage Code:

80205

Status:

MSDS:

Part Number:

LK1351C3LE8P

Cage Code:

26304

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 5305-00-055-6173

What are the manufacturers of nsn 5305000556173?

National Aerospace Standards (80205)
Torkon Fastener Corp (26304)

Does this nsn 5305000556173 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305000556173
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 5305000556173 contain any precious metals?
Precious metal content is unknown.

Does nsn 5305000556173 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305000556173?
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