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Socket Head Cap Screw NSN 5305-01-255-0091

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 5305-01-255-0091 NSN: 5305-01-255-0091

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.720 inches and 0.750 inches
Fastener Length
0.750 inches
Head Style
Flat chamfer
Head Diameter
Between 0.735 inches and 0.750 inches
Head Height
Between 0.442 inches and 0.566 inches
Locking Feature
Patch threads
Internal Drive Style
Hexagon
Thread Diameter
0.500 inches
Width Across Flats
Between 0.375 inches and 0.379 inches
Thready Qty Per Inch (tpi)
20
Material
Steel
Surface Treatment
Cadmium
Thread Series Designator
Unrf
FSC
5305 Screws
NIIN
012550091
NSN
5305012550091

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1351-8-LE12P
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 5305-01-255-0091
What are the manufacturers of nsn 5305012550091?
Does this nsn 5305012550091 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012550091
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 5305012550091 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305012550091 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012550091?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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