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Socket Head Cap Screw NSN 5305-01-180-4739

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 5305-01-180-4739 NSN: 5305-01-180-4739

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.960 inches and 1.250 inches
Fastener Length
Between 1.460 inches and 1.500 inches
Head Style
Flat chamfer
Head Diameter
Between 0.365 inches and 0.375 inches
Head Height
Between 0.244 inches and 0.250 inches
Locking Feature
Strip threads or patch threads
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.188 inches and 0.190 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
180000 pounds per square inch
Hardness Rating
38.0 rockwell c and 45.0 rockwell c
Minimum Yield Strength
170000 pounds per square inch
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, ty2 cl3 federal specification single treatment response
Thread Series Designator
Unf
Nondefinitive Specification/std Data
6 type
FSC
5305 Screws
NIIN
011804739
NSN
5305011804739

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS16998-47L
Cage Code:
96906
Status:
A
MSDS:
Part Number:
FF-S-86
Cage Code:
81348
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 5305-01-180-4739
What are the manufacturers of nsn 5305011804739?
Does this nsn 5305011804739 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305011804739
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 5305011804739 contain any precious metals?
No precious metal content.
Does nsn 5305011804739 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305011804739?
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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