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Socket Head Cap Screw NSN 5305-00-253-7955

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 5305-00-253-7955 NSN: 5305-00-253-7955

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.169 inches and 0.250 inches
Fastener Length
Between 0.219 inches and 0.250 inches
Head Style
Flat chamfer
Head Diameter
Between 0.178 inches and 0.183 inches
Head Height
Between 0.059 inches and 0.069 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.112 inches
Thready Qty Per Inch (tpi)
40
Min. Tensile Strength (psi)
140000 pounds per square inch
Hardness Rating
248.0 brinell standard and 341.0 brinell standard
Surface Finish
32.0 microinches threads
Material
Iron alloy 660
Material Specification
Ams 5735 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unjc
FSC
5305 Screws
NIIN
002537955
NSN
5305002537955

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1191C04P4
Cage Code:
80205
Status:
A
MSDS:
Part Number:
NAS1191C04P4L
Cage Code:
80205
Status:
A
MSDS:
Part Number:
LK1191C04P4
Cage Code:
26304
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 5305-00-253-7955
What are the manufacturers of nsn 5305002537955?
Does this nsn 5305002537955 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002537955
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 5305002537955 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002537955 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002537955?
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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