636370

View detailed technical data, stock status, and sourcing information for: 636370

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636370
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-021-4923
Item Name Code
04905
Assigment Date
06/05/1968 (58 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes:thumbscrew.

0.288 inches minimum and 0.318 inches maximum thread length, tee no. 6 head style, 1.905 inches minimum and 1.925 inches maximum 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
0.288 inches minimum and 0.318 inches maximum
Fastener Length
1.905 inches minimum and 1.925 inches maximum
Head Style
tee no. 6
Head Height
0.240 inches minimum and 0.260 inches maximum
Head Length
0.745 inches minimum and 0.755 inches maximum
Width Between Flats
0.550 inches minimum and 0.560 inches maximum
Shoulder Diameter
0.452 inches minimum and 0.453 inches maximum first shoulder
Shoulder Length
1.431 inches minimum and 1.440 inches maximum first shoulder
Shank Unthreaded Hole Diameter
0.065 inches minimum and 0.072 inches maximum first hole
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
28
Hardness Rating
35.0 rockwell c minimum and 40.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center
1.525 inches minimum and 1.565 inches maximum first hole
Chamfer Angle
43.0 degrees minimum and 47.0 degrees maximum
Shoulder Shape
round first shoulder
Material
steel comp 615 overall
Material Document And Classification
ams 5616 assn std single material response or ams 7470 assn std single material response overall
Thread Series Designator
unjf

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
636370 Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-021-4923?
The FSCG of the NSN 5306-00-021-4923 is 5306
Does the NSN 5306-00-021-4923 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-021-4923 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 5306-00-021-4923 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-021-4923 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 5306-00-021-4923 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Wed, Jun 5, 1968

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