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Socket Head Cap Screw NSN 5305-00-057-1263

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 5305-00-057-1263 NSN: 5305-00-057-1263

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.500 inches
Fastener Length
0.500 inches
Head Style
Flat chamfer
Head Diameter
Between 0.367 inches and 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
Between 0.187 inches and 0.189 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
36.0 rockwell c and 43.0 rockwell c
Minimum Yield Strength
140000 pounds per square inch
Material
Steel comp 2340 or steel comp 3135 or steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 4340 or steel comp 8630 or steel comp 8740 or steel
Material Specification
Qq-s-624 federal specification 1st material response or qq-s-624 federal specification 2nd material response or qq-s-624 federal specification 3rd material response or qq-s-624 federal specification 4th material response or qq-s-624 federal specification 5th material response or qq-s-624 federal specification 6th material response or qq-s-624 federal specification 7th material response or qq-s-624 federal specification 8th material response or qq-s-624, fs9440 federal specification 9th material response
Surface Treatment
Phosphate
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type and 11 style
FSC
5305 Screws
NIIN
000571263
NSN
5305000571263

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
FFS86TYPE1STYLE11
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 5305-00-057-1263
What are the manufacturers of nsn 5305000571263?
Does this nsn 5305000571263 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305000571263
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 5305000571263 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305000571263 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305000571263?
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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