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Socket Head Cap Screw NSN 5305-01-278-2587

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 5305-01-278-2587 NSN: 5305-01-278-2587

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.344 inches and 0.375 inches
Fastener Length
Between 0.344 inches and 0.375 inches
Head Style
Button
Head Diameter
Between 0.201 inches and 0.213 inches
Head Height
Between 0.051 inches and 0.059 inches
Internal Drive Style
Hexagon
End Application
Tornado acft
Thread Diameter
0.112 inches
Width Across Flats
0.062 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Material
Steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384
Material Specification
Astm a493 uns s30200, s30400, s30500, s31600, s38400 assn standard all material responses
Surface Treatment
Tin
Surface Treatment Specification
Ams 2485 assn standard single treatment response or mil-t-10727, type 1 military specification single treatment response
Supplementary Features
Elect. Appl
Thread Series Designator
Unrc
Specification Data
81348-ff-s-86 government specification
Nondefinitive Specification/std Data
8 type
Departure From Cited Designator
As modified by tin surf. Treat. 0.0002 in. Thk
FSC
5305 Screws
NIIN
012782587
NSN
5305012782587

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FF-S-86
Cage Code:
81348
Status:
A
MSDS:
Part Number:
38030-94C-6P15A
Cage Code:
56878
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 5305-01-278-2587
What are the manufacturers of nsn 5305012782587?
Does this nsn 5305012782587 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305012782587
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 5305012782587 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305012782587 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305012782587?
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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