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Socket Head Cap Screw NSN 5305-00-781-4778

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 5305-00-781-4778 NSN: 5305-00-781-4778

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.240 inches and 0.255 inches
Fastener Length
Between 0.240 inches and 0.255 inches
Head Style
Button
Head Diameter
Between 0.364 inches and 0.384 inches
Head Height
Between 0.088 inches and 0.102 inches
Locking Feature
Strip threads
Internal Drive Style
Hexagon
Thread Diameter
0.164 inches
Width Across Flats
0.125 inches
Thready Qty Per Inch (tpi)
32
Material
Steel comp 303 or steel comp 304
Material Specification
Aisi assn standard all material responses
Surface Treatment
Passivate
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
007814778
NSN
5305007814778

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
AA3258-6D9
Cage Code:
18350
Status:
A
MSDS:
Part Number:
10163793
Cage Code:
A486G
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 5305-00-781-4778
What are the manufacturers of nsn 5305007814778?
Does this nsn 5305007814778 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305007814778
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 5305007814778 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305007814778 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305007814778?
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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