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Socket Head Cap Screw NSN 5305-01-263-8149

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 5305-01-263-8149 NSN: 5305-01-263-8149

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.008 inches and 1.250 inches
Fastener Length
Between 1.190 inches and 1.250 inches
Head Style
Flat chamfer
Head Diameter
Between 0.921 inches and 0.938 inches
Head Height
Between 0.616 inches and 0.625 inches
Internal Drive Style
Hexagon
Thread Diameter
0.625 inches
Width Across Flats
0.500 inches
Thready Qty Per Inch (tpi)
11
Min. Tensile Strength (psi)
170000 pounds per square inch
Hardness Rating
37.0 rockwell c and 45.0 rockwell c
Part Name Assigned By Controlling Agency
Screw, cap, socket head
Material
Steel comp 4340
Material Specification
Astm a574 assn standard single material response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
2 type
FSC
5305 Screws
NIIN
012638149
NSN
5305012638149

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
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 5305-01-263-8149
What are the manufacturers of nsn 5305012638149?
Does this nsn 5305012638149 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012638149
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 5305012638149 contain any precious metals?
No precious metal content.
Does nsn 5305012638149 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012638149?
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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