203312H

View detailed technical data, stock status, and sourcing information for: 203312H

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203312H
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5307 Studs
National Stock Number
5307-00-737-8431
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.

3a stud thread thread class, 1.060 inches nominal overall length, 0.440 inches minimum stud thread thread length, +0.2261 to 0.2274 inches nut thread thread pitch diameters, 0.470 inches minimum nut thread thread length

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 stud thread
Thread Pitch Diameters
+0.2261 to 0.2274 inches nut thread
Thread Length
0.470 inches minimum nut thread
Thread Length
0.440 inches minimum stud thread
Overall Length
1.060 inches nominal
Thread Quantity Per Inch
20 nut thread
Thread Quantity Per Inch
28 stud thread
Hardness Rating
26.0 rockwell c minimum and 32.0 rockwell c maximum
Nominal Thread Size
0.250 inches nut thread
Nominal Thread Size
0.250 inches stud thread
Material
steel comp 8740
Material Document And Classification
ams 6322 assn std single material response
Thread Series Designator
unc nut thread
Thread Series Designator
unf stud 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
203312H Plain Stud
7378431 Plain Stud

FAQs

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

What is the FSCG of the NSN 5307-00-737-8431?
The FSCG of the NSN 5307-00-737-8431 is 5307
Does NSN 5307-00-737-8431 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 5307-00-737-8431 contain precious materials?
Precious metal content is unknown
Does NSN 5307-00-737-8431 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 5307-00-737-8431 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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