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5305-00-726-1142

Find complete technical information, availability, and procurement data for: 5305-00-726-1142

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5305-00-726-1142
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-726-1142
Item Name Code
06657
Assigment Date
02/21/1968 (58 years ago)

An adapter having standard pipe threads on one end or an unthreaded end designed to accommodate a pipe. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a pipe or pipe fitting to a boss or boss fitting in a straight line on items such as tanks, housing, valve fittings, or the like. See also adapter bushing and coupling, pipe.

flat countersunk undercut head style, 0.531 inches minimum thread length, 1.031 inches nominal fastener length, right-hand thread direction, 3a thread class

Product Characteristics

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

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.531 inches minimum
Fastener Length
1.031 inches nominal
Head Style
flat countersunk undercut
Head Diameter
0.628 inches minimum and 0.633 inches maximum
Head Height
0.087 inches minimum and 0.089 inches maximum
Internal Drive Style
high-torque
Nominal Thread Diameter
0.312 inches
Thread Quantity Per Inch
24
Countersink Angle
100.0 degrees nominal
Screw Material
steel
Screw Surface Treatment
cadmium
Thread Series Designator
unf

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3M47-5-8 Machine Screw
54266-8 Machine Screw
HT403A5-8 Machine Screw
HT5UA8 Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-726-1142?
The FSCG of the NSN 5305-00-726-1142 is 5305
Does the NSN 5305-00-726-1142 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-726-1142 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 5305-00-726-1142 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-726-1142 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 5305-00-726-1142 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Wed, Feb 21, 1968

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