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Socket Head Cap Screw NSN 5305-01-378-8129

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 5305-01-378-8129 NSN: 5305-01-378-8129

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.875 inches and 1.000 inches
Fastener Length
Between 0.969 inches and 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
Between 0.312 inches and 0.316 inches
Thready Qty Per Inch (tpi)
16
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
39.0 rockwell c and 45.0 rockwell c
Surface Finish
32.0 microinches threads
Color
Bronze or olive drab
Material
Steel
Material Specification
Fed 66 federal standard all material responses
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
A000 federal standard 3rd treatment response and a000 federal standard 10th treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
013788129
NSN
5305013788129

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12387270-99
Cage Code:
19207
Status:
A
MSDS:
Part Number:
LS1091335-99
Cage Code:
01417
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 5305-01-378-8129
What are the manufacturers of nsn 5305013788129?
Does this nsn 5305013788129 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013788129
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 5305013788129 contain any precious metals?
No precious metal content.
Does nsn 5305013788129 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013788129?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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