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Socket Head Cap Screw NSN 5305-00-042-6371

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 5305-00-042-6371 NSN: 5305-00-042-6371

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.250 inches
Fastener Length
1.500 inches
Head Style
Flat chamfer
Head Diameter
Between 0.553 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
Between 0.312 inches and 0.315 inches
Thready Qty Per Inch (tpi)
16
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Minimum Yield Strength
140000 pounds per square inch
Material
Steel comp 2340 or steel comp 3135 or steel comp 4037 or steel comp 4140 or steel comp 4340 or steel comp 8630 or steel comp 8740
Material Specification
Qq-s-624, ty fs federal specification all material responses
Surface Treatment
Cadmium or zinc
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type and 11 style
FSC
5305 Screws
NIIN
000426371
NSN
5305000426371

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FFS86TYPE1STYLE11
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: 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 5305-00-042-6371
What are the manufacturers of nsn 5305000426371?
Does this nsn 5305000426371 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305000426371
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 5305000426371 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305000426371 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305000426371?
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
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