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Socket Head Cap Screw NSN 5305-00-273-6258

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 5305-00-273-6258 NSN: 5305-00-273-6258

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.875 inches
Fastener Length
0.875 inches
Head Style
Flat chamfer
Head Diameter
Between 0.367 inches and 0.375 inches
Head Height
Between 0.244 inches and 0.250 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.187 inches and 0.190 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
80.0 rockwell b
Minimum Yield Strength
30000 pounds per square inch
Material
Steel comp 303
Material Specification
Qq-s-763 cond a federal specification single material response
Surface Treatment
Passivate
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type
FSC
5305 Screws
NIIN
002736258
NSN
5305002736258

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FFS86TYPE1
Cage Code:
81348
Status:
A
MSDS:
Part Number:
12Z1007-139
Cage Code:
10001
Status:
A
MSDS:
Part Number:
298233PC55
Cage Code:
10001
Status:
A
MSDS:
Part Number:
345884PC365
Cage Code:
10001
Status:
A
MSDS:
Part Number:
43-S-52284-1055
Cage Code:
10001
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 5305-00-273-6258
What are the manufacturers of nsn 5305002736258?
Does this nsn 5305002736258 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002736258
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 5305002736258 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002736258 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002736258?
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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