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5306-00-687-6661

Find complete technical information, availability, and procurement data for: 5306-00-687-6661

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5306-00-687-6661
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-687-6661
Item Name Code
15903
Assigment Date
01/01/1960 (66 years ago)

A washer, usually round, with a centrally-located hole. Its edges and two bearing surfaces are designed in such a way that applied pressure brings into play the spring tension and/or frictional locking principle that materially resists any tendency toward turning. It may be made of one or two pieces.

hexagon head style, 0.563 inches minimum thread length, right-hand thread direction, 2.375 inches nominal fastener length, 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
0.563 inches minimum
Fastener Length
2.375 inches nominal
Head Style
hexagon
Head Height
0.312 inches nominal
Width Between Flats
0.938 inches nominal
Grip Diameter
0.6240 inches nominal
Shank Unthreaded Hole Diameter
0.141 inches nominal first hole
Single Shear Strength
29150 pounds per square inch
Nominal Thread Diameter
0.625 inches
Grip Length
1.812 inches nominal
Thread Quantity Per Inch
18
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center
2.124 inches nominal first hole
Material
steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 or steel comp 4037 overall
Material Document And Classification
mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response or mil-s-8695 mil spec 6th material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty 2,cl 3 fed spec all treatment responses 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
NAS464P10L29 Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-687-6661?
The FSCG of the NSN 5306-00-687-6661 is 5306
Does the NSN 5306-00-687-6661 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-687-6661 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 5306-00-687-6661 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-687-6661 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 5306-00-687-6661 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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