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Socket Head Cap Screw NSN 5305-00-253-7953

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 5305-00-253-7953 NSN: 5305-00-253-7953

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.121 inches and 0.188 inches
Fastener Length
Between 0.157 inches and 0.188 inches
Head Style
Flat chamfer
Head Diameter
Between 0.136 inches and 0.140 inches
Head Height
Between 0.044 inches and 0.053 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.086 inches
Thready Qty Per Inch (tpi)
56
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
002537953
NSN
5305002537953

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS1191C02P3
Cage Code:
80205
Status:
A
MSDS:
Part Number:
LK1191C02P3
Cage Code:
26304
Status:
A
MSDS:
Part Number:
NAS1191E02P3L
Cage Code:
80205
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 5305-00-253-7953
What are the manufacturers of nsn 5305002537953?
Does this nsn 5305002537953 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305002537953
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 5305002537953 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305002537953 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305002537953?
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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