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5307-00-678-1422

Find complete technical information, availability, and procurement data for: 5307-00-678-1422

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5307-00-678-1422
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5307 Studs
National Stock Number
5307-00-678-1422
Item Name Code
15943
Assigment Date
01/01/1961 (65 years ago)

A relatively thin metallic item, having a concave or cupped contour, designed to effect its own seal by compression against the circumference of a hole. It is used as a blowout plug in boilers, engines, and the like to relieve the pressure created by the expansion of fluids caused by heat or freezing.

0.620 inches nominal nut thread thread length, 2a nut thread thread class, right-hand stud thread thread direction, 3a stud thread thread class, right-hand nut thread thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a nut thread
Thread Class
3a stud thread
Thread Direction
right-hand nut thread
Thread Direction
right-hand stud thread
Thread Length
0.620 inches nominal nut thread
Thread Length
0.680 inches nominal stud thread
Overall Length
4.060 inches nominal
Plain Shank Diameter
0.4258 inches minimum and 0.4375 inches maximum
Length Of Recessed Portion Of Shank
0.380 inches nominal
Diameter Of Recessed Portion Of Shank
0.3042 inches minimum and 0.3125 inches maximum
Thread Quantity Per Inch
14 stud thread
Thread Quantity Per Inch
24 nut thread
Nominal Thread Size
0.312 inches nut thread
Nominal Thread Size
0.438 inches stud thread
Special Features
7/16-14unc-3a thd,0.760 inl lg located 1.000 in. from recessed shank end
Material
steel
Material Document And Classification
qq-s-631 fed spec single material response or qq-s-634 fed spec single material response
Surface Treatment
zinc overall
Surface Treatment Document And Classification
qq-z-325 fed spec single treatment response overall
Style Designator
recessed and stepped
Thread Series Designator
unc stud thread
Thread Series Designator
unf nut thread

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
5307006781422 Recessed and Stepped Stud
8754413 Recessed and Stepped Stud

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5307-00-678-1422?
The FSCG of the NSN 5307-00-678-1422 is 5307
Does NSN 5307-00-678-1422 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5307-00-678-1422 contain precious materials?
Precious metal content is unknown
Does NSN 5307-00-678-1422 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5307-00-678-1422 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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