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Socket Head Cap Screw NSN 5305-00-258-8309

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 5305-00-258-8309 NSN: 5305-00-258-8309

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.190 inches and 1.310 inches
Fastener Length
1.500 inches
Head Style
Flat chamfer
Head Diameter
Between 0.987 inches and 1.000 inches
Head Height
Between 0.740 inches and 0.750 inches
Locking Feature
Patch threads or pellet threads or strip threads
Internal Drive Style
Hexagon
Width Across Flats
Between 0.563 inches and 0.565 inches
Thready Qty Per Inch (tpi)
16
Hardness Rating
32.0 rockwell c and 38.0 rockwell c
Surface Finish
63.0 microinches bearing surface of head
Material
Steel comp 4140 or steel comp 8640 or steel comp 8740
Material Specification
Astm a108 assn standard single material response
Surface Treatment
Cadmium or zinc
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification 1st treatment response or qq-z-325 type 2 cl 3 federal specification 2nd treatment response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
002588309
NSN
5305002588309

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
11626507-2
Cage Code:
19207
Status:
A
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 5305-00-258-8309
What are the manufacturers of nsn 5305002588309?
Does this nsn 5305002588309 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002588309
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 5305002588309 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002588309 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002588309?
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:
SC
Cond. Code:
1
Status:
A

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