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Hexagon Head Cap Screw NSN 5305-00-051-4078

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 5305-00-051-4078 NSN: 5305-00-051-4078

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Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.875 inches
Fastener Length
1.250 inches
Head Style
Hexagon
Head Height
Between 0.195 inches and 0.211 inches
Width Between Flats
Between 0.489 inches and 0.500 inches
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
32.0 rockwell c and 38.0 rockwell c
Material
Steel
Material Specification
Astm a354, grade bd assn standard single material response
Surface Treatment
Zinc and chromate
Surface Treatment Specification
Astm b633, type fe/zn5 or fe/zn8 assn standard all treatment responses
Thread Series Designator
Unf
FSC
5305 Screws
NIIN
000514078
NSN
5305000514078

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
186505
Cage Code:
72582
Status:
A
MSDS:
Part Number:
C10-26066
Cage Code:
88907
Status:
A
MSDS:
Part Number:
63-CL-3335-1
Cage Code:
77873
Status:
A
MSDS:
Part Number:
157D4350-105
Cage Code:
05606
Status:
A
MSDS:
Part Number:
B1821BH031F125N
Cage Code:
80204
Status:
A
MSDS:
Part Number:
223587
Cage Code:
00000
Status:
A
MSDS:
Part Number:
MS35304-36
Cage Code:
96906
Status:
A
MSDS:
Part Number:
MS90727-36
Cage Code:
96906
Status:
A
MSDS:
Part Number:
5306000514078
Cage Code:
SCY13
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 5305-00-051-4078
What are the manufacturers of nsn 5305000514078?
Does this nsn 5305000514078 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5305000514078
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 5305000514078 contain any precious metals?
No precious metal content.
Does nsn 5305000514078 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5305000514078?
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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