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Socket Head Cap Screw NSN 5305-01-381-9978

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 5305-01-381-9978 NSN: 5305-01-381-9978

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.000 inches
Fastener Length
1.000 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
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
0.312 inches
Thready Qty Per Inch (tpi)
16
Min. Tensile Strength (psi)
80000 pounds per square inch
Material
Nickel alloy 400
Material Specification
Qq-n-281 cl a federal specification single material response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
013819978
NSN
5305013819978

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
845-2109898 ITEM 13
Cage Code:
96169
Status:
A
MSDS:
Part Number:
QQN2813/8X16UNC2A1.0TYVI
Cage Code:
03950
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7508900000
  • NAICS: 332999
  • SITC: 69975
  • Description: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5305-01-381-9978
What are the manufacturers of nsn 5305013819978?
Does this nsn 5305013819978 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013819978
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 5305013819978 contain any precious metals?
No precious metal content.
Does nsn 5305013819978 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013819978?
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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