Socket Head Cap Screw NSN 5305-01-212-0056

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: 5305-01-212-0056

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.744 inches and 0.875 inches

Fastener Length

Between 0.844 inches and 0.875 inches

Head Style

Flat chamfer

Head Diameter

Between 0.365 inches and 0.375 inches

Head Height

Between 0.244 inches and 0.250 inches

Locking Feature

Strip threads or patch threads

Internal Drive Style

Hexagon

Thread Diameter

0.250 inches

Width Across Flats

Between 0.1875 inches and 0.1900 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

170000 pounds per square inch

Hardness Rating

38.0 rockwell c and 45.0 rockwell c

Minimum Yield Strength

150000 pounds per square inch

Material

Steel

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, class 3 federal specification single treatment response

Thread Series Designator

Unc

Nondefinitive Specification/std Data

6 type

FSC

5305 Screws

NIIN

012120056

NSN

5305012120056

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

MS16997-61L

Cage Code:

96906

Status:

MSDS:

Part Number:

FF-S-86

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 5305-01-212-0056

What are the manufacturers of nsn 5305012120056?

Military Standards (96906)
Federal Specifications (81348)

Does this nsn 5305012120056 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305012120056
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 5305012120056 contain any precious metals?
No precious metal content.

Does nsn 5305012120056 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305012120056?
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