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Hexagon Head Cap Screw NSN 5305-00-018-1629

Item Description

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

NSN 5305-00-018-1629 NSN: 5305-00-018-1629

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.625 inches
Fastener Length
0.625 inches
Head Style
Hexagon
Head Height
Between 0.226 inches and 0.243 inches
Width Between Flats
Between 0.551 inches and 0.563 inches
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
120000 pounds per square inch
Hardness Rating
23.0 rockwell c and 30.0 rockwell c
Material
Steel
Surface Treatment
Cadmium and chromate or zinc and chromate
Thread Series Designator
Unf
Nondefinitive Specification/std Data
2 type and 10p style and 5 grade
FSC
5305 Screws
NIIN
000181629
NSN
5305000181629

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS35298-57
Cage Code:
96906
Status:
A
MSDS:
Part Number:
FFS85TYPE2STYLE10PGRADE5
Cage Code:
81348
Status:
A
MSDS:
Part Number:
181629
Cage Code:
24617
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 5305-00-018-1629
What are the manufacturers of nsn 5305000181629?
Does this nsn 5305000181629 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305000181629
An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. the threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. the thread length being the controlled dimension, the grip length is not specified. a locking feature may be incorporated in the design of the head or threads. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. excludes bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.
Does nsn 5305000181629 contain any precious metals?
Precious metal content is unknown.
Does nsn 5305000181629 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305000181629?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
18257
FIIG:
A003B0
App. Key:
SB
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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