Socket Head Cap Screw NSN 5305-00-498-6988

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: 5305-00-498-6988

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Features and Characteristics

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.199 inches and 0.231 inches

Fastener Length

Between 0.296 inches and 0.328 inches

Head Style

Flat countersunk

Head Diameter

Between 0.263 inches and 0.307 inches

Locking Feature

Pellet threads or strip threads

Internal Drive Style

Hexagon

Thread Diameter

0.138 inches

Width Across Flats

0.078 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

80000 pounds per square inch

Hardness Rating

80.0 rockwell c

Minimum Yield Strength

30000 pounds per square inch

Countersink Angle

Between 80.0 degrees and 84.0 degrees

Material

Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316

Material Specification

66 federal standard all material responses

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unc

Nondefinitive Specification/std Data

4 type

Departure From Cited Designator

As mod by locking feature

FSC

5305 Screws

NIIN

004986988

NSN

5305004986988

Manufacturer Part Numbers

Part numbers registered to this national stock number.

Part Number

Cage

Status

MSDS

Part Number:

68A26A108

Cage Code:

30003

Status:

MSDS:

Part Number:

FFS86

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 5305-00-498-6988

What are the manufacturers of nsn 5305004986988?

Naval Air Systems Command (30003)
Federal Specifications (81348)

Does this nsn 5305004986988 have a shelf life?
No. This NSN does not have an applicable shelf life.

What is the formal definition of nsn 5305004986988
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 5305004986988 contain any precious metals?
Precious metal content is unknown.

Does nsn 5305004986988 contain any hazardous materials?
No MSDS. No hazardous material.

What is the ESD classification of nsn 5305004986988?
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