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Socket Head Cap Screw NSN 5305-00-531-1772

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 5305-00-531-1772 NSN: 5305-00-531-1772

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.544 inches and 0.641 inches
Fastener Length
Between 0.594 inches and 0.641 inches
Head Style
Flat chamfer
Head Diameter
Between 0.178 inches and 0.183 inches
Head Height
Between 0.109 inches and 0.112 inches
Internal Drive Style
Hexagon
Thread Diameter
0.112 inches
Width Across Flats
Between 0.078 inches and 0.079 inches
Thready Qty Per Inch (tpi)
40
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Material
Steel comp 304 or steel comp 303
Material Specification
Qq-s-763 federal specification 1st material response or qq-s-764 federal specification 2nd material response
Surface Treatment
Passivate and oxide
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
005311772
NSN
5305005311772

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
12Z1037-76
Cage Code:
94135
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 5305-00-531-1772
What are the manufacturers of nsn 5305005311772?
Does this nsn 5305005311772 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305005311772
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 5305005311772 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305005311772 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305005311772?
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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