ORDER BY PHONE (619) 331-9599      Contact Us      Request Quote
facebook
NationalStockNumber.org

Socket Head Cap Screw NSN 5305-00-637-6921

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 5305-00-637-6921 NSN: 5305-00-637-6921

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.258 inches
Fastener Length
0.320 inches
Head Style
Flat chamfer
Head Diameter
Between 0.265 inches and 0.270 inches
Head Height
Between 0.160 inches and 0.164 inches
Hole Diameter
0.031 inches
Internal Drive Style
Hexagon
Thread Diameter
0.164 inches
Width Across Flats
Between 0.125 inches and 0.127 inches
Hole Quantity
4
Hole Type
Drilled
Thready Qty Per Inch (tpi)
32
Hardness Rating
26.0 rockwell c and 34.0 rockwell c
Hole Configuration Style
Round internal hexagon
Material
Steel comp 416se or steel comp 303 or steel comp 303 plus x
Surface Treatment
Passivate
Thread Series Designator
Unc
FSC
5305 Screws
NIIN
006376921
NSN
5305006376921

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
29577
Cage Code:
11599
Status:
A
MSDS:
Part Number:
333S605
Cage Code:
06848
Status:
A
MSDS:
Part Number:
33S605
Cage Code:
06848
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 5305-00-637-6921
What are the manufacturers of nsn 5305006376921?
Does this nsn 5305006376921 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305006376921
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 5305006376921 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305006376921 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305006376921?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
ASA Aviation Suppliers Association Member Logo
NQA AS 9120 Suppliers Logo
ITAR Registered International Traffic in Arms Regulations Logo