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S6120-65164-3

View detailed technical data, stock status, and sourcing information for: S6120-65164-3

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S6120-65164-3
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-121-2426
Item Name Code
04905
Assigment Date
11/01/1968 (57 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.

0.388 inches minimum and 0.435 inches maximum thread length, right-hand thread direction, 2.734 inches minimum and 2.781 inches maximum fastener length, 3a thread class, hexagon head style

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
0.388 inches minimum and 0.435 inches maximum
Fastener Length
2.734 inches minimum and 2.781 inches maximum
Head Style
hexagon
Head Height
0.250 inches nominal
Width Between Flats
0.875 inches nominal
Shoulder Diameter
0.5595 inches minimum and 0.5604 inches maximum first shoulder
Shoulder Length
2.222 inches nominal first shoulder
Shank Unthreaded Hole Diameter
0.577 inches nominal first hole
Nominal Thread Diameter
0.500 inches
Thread Quantity Per Inch
20
Hardness Rating
58.0 rockwell c minimum and 64.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center
2.106 inches nominal first hole
Shoulder Shape
round first shoulder
Material Document And Classification
ams 5643 assn std single material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416 fed spec single treatment response overall
Thread Series Designator
unf

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
S6120-65164-3 Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-121-2426?
The FSCG of the NSN 5306-00-121-2426 is 5306
Does NSN 5306-00-121-2426 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 5306-00-121-2426 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-121-2426 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 5306-00-121-2426 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Fri, Nov 1, 1968

Professional Distribution

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Pricing

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ITAR Registered

In Stock

This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.

New Material 15
New Surplus 3
Total 18
Availability of this item was last updated on: 06/22/2026 07:06 AM EDT. Stock levels and pricing are subject to change.

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