B4388

View detailed technical data, stock status, and sourcing information for: B4388

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B4388
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5307 Studs
National Stock Number
5307-00-272-4732
Item Name Code
15948
Assigment Date
01/01/1961 (65 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. The maximum diameter of the unthreaded portion must not be greater than the nominal thread diameter plus 0.020 inches (0.508 mm). The unthreaded portion must be without locking or wrenching provisions. It may be thread relieved. See also rod, threaded end and rod, continuous thread.

right-hand stud thread thread direction, +0.4533 to 0.4553 inches stud thread thread pitch diameters, 3a nut thread thread class, 0.875 inches minimum nut thread thread length, 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
3a nut thread
Thread Pitch Diameters
+0.4533 to 0.4553 inches stud thread
Thread Direction
right-hand nut thread
Thread Direction
right-hand stud thread
Thread Length
0.875 inches minimum nut thread
Thread Length
0.812 inches minimum stud thread
Overall Length
2.188 inches nominal
Thread Quantity Per Inch
13 nut thread
Thread Quantity Per Inch
13 stud thread
Nominal Thread Size
0.500 inches nut thread
Nominal Thread Size
0.500 inches stud thread
Material
steel comp 1141
Thread Series Designator
unc nut thread
Thread Series Designator
uns stud thread

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-363-1658 No Name Available 01/01/1963

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
1AB4388 Plain Stud
B4388 Plain Stud

FAQs

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

What is the FSCG of the NSN 5307-00-272-4732?
The FSCG of the NSN 5307-00-272-4732 is 5307
Does NSN 5307-00-272-4732 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 5307-00-272-4732 contain precious materials?
Precious metal content is unknown
Does NSN 5307-00-272-4732 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 5307-00-272-4732 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Professional Distribution

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