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Socket Head Cap Screw NSN 5305-01-371-8456

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 5305-01-371-8456 NSN: 5305-01-371-8456

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.250 inches
Fastener Length
1.250 inches
Head Style
Flat chamfer
Head Diameter
Between 0.735 inches and 0.750 inches
Head Height
Between 0.492 inches and 0.500 inches
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
0.375 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
90000 pounds per square inch
Hardness Rating
95.0 rockwell b
Material
Steel comp 316
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unf
Nondefinitive Specification/std Data
2 type
FSC
5305 Screws
NIIN
013718456
NSN
5305013718456

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CUP PT,SLF LOCK ,MS51023-153
Cage Code:
D9182
Status:
A
MSDS:
Part Number:
1/2-20UNF-3A X 1-1/4" GR316
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MIL-DTL-1222
Cage Code:
81349
Status:
A
MSDS:
Part Number:
MIL-S-1222
Cage Code:
81349
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 5305-01-371-8456
What are the manufacturers of nsn 5305013718456?
Does this nsn 5305013718456 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013718456
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 5305013718456 contain any precious metals?
No precious metal content.
Does nsn 5305013718456 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013718456?
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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