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Socket Head Cap Screw NSN 5305-01-384-0997

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 5305-01-384-0997 NSN: 5305-01-384-0997

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.201 inches and 0.312 inches
Fastener Length
0.312 inches
Head Style
Flat chamfer
Head Diameter
Between 0.457 inches and 0.469 inches
Head Height
Between 0.306 inches and 0.312 inches
Internal Drive Style
Hexagon
Thread Diameter
0.312 inches
Width Across Flats
0.250 inches
Thready Qty Per Inch (tpi)
18
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
39.0 rockwell c and 45.0 rockwell c
Minimum Yield Strength
155000 pounds per square inch
Color
Black
Material
Nickel alloy 400
Material Specification
Qq-n-281 cla federal specification single material response
Surface Treatment
Oxide
Surface Treatment Specification
Mil-c-13924 military specification single treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
013840997
NSN
5305013840997

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FFS86TY6,.3125- 18UNC3AX1IN,
Cage Code:
D9182
Status:
A
MSDS:
Part Number:
5/16-18UNC3AX1 IN.LG. NICU
Cage Code:
80204
Status:
A
MSDS:
Part Number:
FF-S-86/ TY6
Cage Code:
81348
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 5305-01-384-0997
What are the manufacturers of nsn 5305013840997?
Does this nsn 5305013840997 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013840997
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 5305013840997 contain any precious metals?
No precious metal content.
Does nsn 5305013840997 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013840997?
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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