7744682

View detailed technical data, stock status, and sourcing information for: 7744682

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7744682
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-774-4682
Item Name Code
18257
Assigment Date
01/01/1962 (64 years ago)

A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); couplig (as modified); or nipple (as modified). Excludes: tube,bent (as modified); pipe,metallic; spacer sleeve; metal bar (hollow); and items with fitting, except end protectors.

0.795 inches minimum and 0.825 inches maximum thread length, hexagon head style, 3a thread class, 0.985 inches minimum and 1.015 inches maximum fastener length, right-hand 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
3a
Thread Direction
right-hand
Thread Length
0.795 inches minimum and 0.825 inches maximum
Fastener Length
0.985 inches minimum and 1.015 inches maximum
Head Style
hexagon
Head Height
0.250 inches nominal
Width Between Flats
0.612 inches minimum and 0.627 inches maximum
Nominal Thread Diameter
0.437 inches
Thread Quantity Per Inch
20
Minimum Tensile Strength
150000 pounds per square inch
Hardness Rating
32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Material
steel overall
Surface Treatment
cadmium and chromate or zinc overall
Thread Series Designator
unf
Nondefinitive Spec/Std Data
1 type and 8 grade

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
401365 Hexagon Head Cap Screw
7744682 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-774-4682?
The FSCG of the NSN 5305-00-774-4682 is 5305
Does the NSN 5305-00-774-4682 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-774-4682 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 5305-00-774-4682 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-774-4682 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 5305-00-774-4682 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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