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Socket Head Cap Screw NSN 5305-00-944-4271

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 5305-00-944-4271 NSN: 5305-00-944-4271

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.740 inches and 0.820 inches
Fastener Length
Between 0.865 inches and 0.885 inches
Head Style
Flat chamfer
Head Diameter
Between 0.428 inches and 0.448 inches
Head Height
Between 0.250 inches and 0.270 inches
Hole Diameter
0.070 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.219 inches and 0.221 inches
Hole Quantity
6
Hole Type
Drilled
Thready Qty Per Inch (tpi)
28
Hardness Rating
26.0 rockwell c and 34.0 rockwell c
Hole Configuration Style
Round
Surface Finish
63.0 microinches threads
Material
Steel comp 302
Material Specification
Ams 5637 assn standard single material response
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
009444271
NSN
5305009444271

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
STD3022-108
Cage Code:
99193
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 5305-00-944-4271
What are the manufacturers of nsn 5305009444271?
Does this nsn 5305009444271 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305009444271
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 5305009444271 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305009444271 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305009444271?
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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