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Socket Head Cap Screw NSN 5305-01-309-4781

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 5305-01-309-4781 NSN: 5305-01-309-4781

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.512 inches and 0.625 inches
Fastener Length
Between 0.595 inches and 0.625 inches
Head Style
Flat chamfer
Head Diameter
Between 0.550 inches and 0.562 inches
Head Height
Between 0.368 inches and 0.375 inches
Hole Diameter
Between 0.061 inches and 0.067 inches
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
Between 0.312 inches and 0.316 inches
Hole Quantity
3
Hole Type
Drilled
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
170000 pounds per square inch
Hardness Rating
38.0 rockwell c and 45.0 rockwell c
Hole Configuration Style
Round internal hexagon
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 type 2, cl 3 federal specification single treatment response
Thread Series Designator
Unf
Nondefinitive Specification/std Data
6 type
FSC
5305 Screws
NIIN
013094781
NSN
5305013094781

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FF-S-86
Cage Code:
81348
Status:
A
MSDS:
Part Number:
MS24678-42
Cage Code:
80205
Status:
A
MSDS:

Q & A

Frequently asked questions for NSN 5305-01-309-4781
What are the manufacturers of nsn 5305013094781?
Does this nsn 5305013094781 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013094781
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 5305013094781 contain any precious metals?
No precious metal content.
Does nsn 5305013094781 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013094781?
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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