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S3S14266000-067

View detailed technical data, stock status, and sourcing information for: S3S14266000-067

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S3S14266000-067
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-984-3020
Item Name Code
16282
Assigment Date
01/01/1960 (66 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

flat chamfer head style, 2.690 inches minimum and 2.750 inches maximum fastener length, 1.065 inches minimum and 1.403 inches maximum thread 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
1.065 inches minimum and 1.403 inches maximum
Fastener Length
2.690 inches minimum and 2.750 inches maximum
Head Style
flat chamfer
Head Diameter
0.457 inches minimum and 0.469 inches maximum
Head Height
0.306 inches minimum and 0.313 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.312 inches
Width Across Flats
0.250 inches minimum and 0.253 inches maximum
Thread Quantity Per Inch
18
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength
130000 pounds per square inch
Material
steel overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator
unc
Nondefinitive Spec/Std Data
6 type

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-274-2356 No Name Available 07/01/1980
5305-00-720-8513 No Name Available 02/01/1983

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
MS16997-87 Socket Head Cap Screw
PWA51677-3 Socket Head Cap Screw
S3S14266000-067 Socket Head Cap Screw
SPE339G44 Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-984-3020?
The FSCG of the NSN 5305-00-984-3020 is 5305
Does the NSN 5305-00-984-3020 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-984-3020 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 5305-00-984-3020 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-984-3020 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 5305-00-984-3020 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

Professional Distribution

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