Socket Head Cap Screw NSN 5305-01-617-1657

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: 5305-01-617-1657

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

0.344 inches

Fastener Length

0.344 inches

Head Style

Round extended washer

Head Diameter

0.375 inches

Head Height

Between 0.089 inches and 0.099 inches

Extended Washer Diameter

0.437 inches

Extended Washer Thickness

Between 0.025 inches and 0.035 inches

Spline Major Diameter

0.155 inches

Internal Drive Style

Torx

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

160000 pounds per square inch

Part Name Assigned By Controlling Agency

Screw, washer head, close tolerance, long thread

Material

Iron alloy 660

Material Specification

Ams5731 national specification single material response or ams5732 national specification single material response or ams5737 national specification single material response or ams5853 national specification single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Ams-qq-p-416, ty ii, cl 2 national std/spec single treatment response

Thread Series Designator

Unjf

FSC

5305 Screws

NIIN

016171657

NSN

5305016171657

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

120-225C3T05P

Cage Code:

97499

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 5305-01-617-1657

What are the manufacturers of nsn 5305016171657?

Bell Helicopter Textron Inc. (97499)
Sps Technologies, Llc (06725)
Saturn Fasteners Inc (0K6Z0)
Heartland Precision Fasteners, Inc. (0ZC92)
Pilgrim Screw Corporation (1GP79)
B & B Specialties Inc. (1EM77)
3-v Fastener Co., Inc. (1ER65)
Sps Technologies, Llc (27624)
Pilgrim Screw Corporation (47253)
Sps Technologies, Llc (56878)
Fastener Innovation Technology, Inc. (58998)
B & B Specialties, Inc (62206)
Lfc Industries Inc. (62384)
Sps Technologies, Llc (80539)

Does this nsn 5305016171657 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305016171657
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 5305016171657 contain any precious metals?
No precious metal content.

Does nsn 5305016171657 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305016171657?
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:

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

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