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Socket Head Cap Screw NSN 5305-00-490-6631

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 5305-00-490-6631 NSN: 5305-00-490-6631

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.730 inches and 0.750 inches
Fastener Length
Between 0.730 inches and 0.750 inches
Head Style
Knurled no. 1
Head Diameter
Between 0.450 inches and 0.470 inches
Head Height
Between 0.300 inches and 0.320 inches
Internal Drive Style
Hexagon
Thread Diameter
0.375 inches
Width Across Flats
Between 0.240 inches and 0.260 inches
Thready Qty Per Inch (tpi)
16
Part Name Assigned By Controlling Agency
Navy special project
Special Features
Bronze chromate
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
004906631
NSN
5305004906631

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
10-47576
Cage Code:
88907
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 5305-00-490-6631
What are the manufacturers of nsn 5305004906631?
Does this nsn 5305004906631 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305004906631
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 5305004906631 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305004906631 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305004906631?
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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