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Shoulder Bolt NSN 5306-00-401-7978

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

NSN 5306-00-401-7978 NSN: 5306-00-401-7978

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.395 inches
Fastener Length
0.645 inches
Head Style
Flat chamfer
Head Diameter
Between 0.387 inches and 0.412 inches
Head Height
Between 0.059 inches and 0.069 inches
Shoulder Diameter
0.279 inches first shoulder and 0.280 inches first shoulder
Shoulder Length
0.740 inches first shoulder and 0.760 inches first shoulder
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
31.0 rockwell c
Shoulder Shape
Round first shoulder
Material
Steel comp 4130 or steel comp 8630 or steel comp 8735 or steel comp 8740
Material Specification
Mil-s-6758 military specification 1st material response or mil-s-6050 military specification 2nd material response or mil-s-6098 military specification 3rd material response or mil-s-6049 military specification 4th material response
Surface Treatment
Cadmium
Thread Series Designator
Unjf
FSC
5306 Bolts
NIIN
004017978
NSN
5306004017978

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BACB30KK8-4
Cage Code:
81205
Status:
A
MSDS:
Part Number:
65960-8-4
Cage Code:
56878
Status:
A
MSDS:
Part Number:
HL218-8-4
Cage Code:
73197
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 5306-00-401-7978
What are the manufacturers of nsn 5306004017978?
Does this nsn 5306004017978 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306004017978
An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. it has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. the head is not designed to be held or driven with an inserted drivers. a locking feature may be incorporated in the design of the head or threads. for items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. for items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. excludes thumbscrew.
Does nsn 5306004017978 contain any precious metals?
No precious metal content.
Does nsn 5306004017978 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306004017978?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
04905
FIIG:
A003B0
App. Key:
BY
Cond. Code:
1
Status:
A

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