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Socket Head Cap Screw NSN 5305-01-267-8283

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 5305-01-267-8283 NSN: 5305-01-267-8283

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.216 inches and 0.283 inches
Fastener Length
Between 0.282 inches and 0.312 inches
Head Style
Flat countersunk
Head Diameter
Between 0.143 inches and 0.172 inches
Locking Feature
Patch threads
Internal Drive Style
Cross recess type 1
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
Min. Tensile Strength (psi)
80000 pounds per square inch
Countersink Angle
Between 99.0 degrees and 101.0 degrees
Special Features
Locking element shall begin no more than two and one half threads from screw end
Material
Steel comp 321 fastener or steel comp 347 fastener or steel comp 302 fastener or steel comp 303 fastener
Material Specification
Mil-f-18240 military specification single material response locking feature
Surface Treatment
Passivate fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
012678283
NSN
5305012678283

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
704AS9843-3
Cage Code:
30003
Status:
A
MSDS:
Part Number:
899843-3
Cage Code:
96214
Status:
A
MSDS:
Part Number:
S20620-3
Cage Code:
26233
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 5305-01-267-8283
What are the manufacturers of nsn 5305012678283?
Does this nsn 5305012678283 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012678283
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 5305012678283 contain any precious metals?
No precious metal content.
Does nsn 5305012678283 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012678283?
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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