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Socket Head Cap Screw NSN 5305-01-648-9901

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 5305-01-648-9901 NSN: 5305-01-648-9901

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.000 inches
Fastener Length
1.250 inches
Head Style
Flat countersunk
Head Diameter
Between 0.480 inches and 0.531 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
0.156 inches
Thready Qty Per Inch (tpi)
20
Countersink Angle
Between 80.0 degrees and 84.0 degrees
Part Name Assigned By Controlling Agency
Screw cap socket head flat countersunk
Material
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 or steel comp xm-7
Surface Treatment
Passivate
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
016489901
NSN
5305016489901

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NASM24671-32
Cage Code:
80205
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 5305-01-648-9901
What are the manufacturers of nsn 5305016489901?
Does this nsn 5305016489901 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305016489901
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 5305016489901 contain any precious metals?
No precious metal content.
Does nsn 5305016489901 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305016489901?
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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