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5305-00-068-5838

Find complete technical information, availability, and procurement data for: 5305-00-068-5838

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5305-00-068-5838
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-068-5838
Item Name Code
16282
Assigment Date
01/01/1963 (63 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.

right-hand thread direction, 3a thread class, 1.484 inches minimum and 1.531 inches maximum fastener length, flat chamfer head style, 1.125 inches minimum 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
Thread Direction
right-hand
Thread Length
1.125 inches minimum
Fastener Length
1.484 inches minimum and 1.531 inches maximum
Head Style
flat chamfer
Head Diameter
0.457 inches minimum and 0.468 inches maximum
Head Height
0.306 inches minimum and 0.312 inches maximum
Hole Diameter
0.062 inches nominal
Internal Drive Style
hexagon
Nominal Thread Diameter
0.312 inches
Width Across Flats
0.250 inches minimum and 0.253 inches maximum
Hole Quantity
6
Hole Type
drilled
Thread Quantity Per Inch
24
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Minimum Yield Strength
130000 pounds per square inch
Hole Configuration Style
round
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
unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-450-6140 No Name Available 10/01/1982

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
MS24678-36 Socket Head Cap Screw
MS24678-36C Socket Head Cap Screw
NASM24678 Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-068-5838?
The FSCG of the NSN 5305-00-068-5838 is 5305
Does the NSN 5305-00-068-5838 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-068-5838 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 5305-00-068-5838 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-068-5838 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 5305-00-068-5838 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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