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Socket Head Cap Screw NSN 5305-01-325-2739

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 5305-01-325-2739 NSN: 5305-01-325-2739

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.775 inches and 0.875 inches
Fastener Length
0.875 inches
Head Style
Knurled no. 1
Head Diameter
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
0.188 inches
Thready Qty Per Inch (tpi)
20
Min. Tensile Strength (psi)
170000 pounds per square inch
Hardness Rating
39.0 rockwell c fastener and 45.0 rockwell c fastener
Special Features
Furnished with patch type locking feature
Color
Black fastener
Material
Steel fastener
Material Specification
Sae gr8 assn standard single material response fastener
Surface Treatment
Oxide fastener
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
013252739
NSN
5305013252739

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
391 1402 095
Cage Code:
13829
Status:
A
MSDS:
Part Number:
91205A541
Cage Code:
39428
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 5305-01-325-2739
What are the manufacturers of nsn 5305013252739?
Does this nsn 5305013252739 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305013252739
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 5305013252739 contain any precious metals?
No precious metal content.
Does nsn 5305013252739 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305013252739?
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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