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AN176H11A

View detailed technical data, stock status, and sourcing information for: AN176H11A

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AN176H11A
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-639-2379
Item Name Code
27851
Assigment Date
01/01/1963 (63 years ago)

0.609 inches minimum and 0.688 inches maximum thread length, hexagon head style, 3a thread class, 1.187 inches minimum and 1.234 inches maximum fastener length, right-hand thread direction

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
0.609 inches minimum and 0.688 inches maximum
Fastener Length
1.187 inches minimum and 1.234 inches maximum
Head Style
hexagon
Head Height
0.203 inches minimum and 0.235 inches maximum
Width Between Flats
0.553 inches minimum and 0.565 inches maximum
Hole Diameter
0.070 inches nominal
Grip Diameter
0.3737 inches minimum and 0.3742 inches maximum
Nominal Thread Diameter
0.375 inches
Grip Length
0.546 inches minimum and 0.578 inches maximum
Hole Quantity
1
Hole Type
drilled
Thread Quantity Per Inch
24
Minimum Tensile Strength
125000 pounds per square inch
Hardness Rating
26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Hole Configuration Style
hexagon flats
Surface Finish
63.0 microinches bearing surface of head
Surface Finish
63.0 microinches grip
Material
steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4140 or steel comp 4130 or steel comp 4037 overall
Material Document And Classification
mil-s-6049 mil spec 1st material response or mil-s-6050 mil spec 2nd material response or mil-s-6098 mil spec 3rd material response or mil-s-5626 mil spec 4th material response or mil-s-6758 mil spec 5th material response or ams 6300 assn std 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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5306-00-144-4003 No Name Available 07/01/2012
5306-00-151-1949 No Name Available 01/01/1960
5306-00-620-8289 No Name Available 01/01/1963
5306-00-638-8235 No Name Available 01/01/1963

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
AN176H11A Close Tolerance Bolt
AN6R11A Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-639-2379?
The FSCG of the NSN 5306-00-639-2379 is 5306
Does the NSN 5306-00-639-2379 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-639-2379 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 5306-00-639-2379 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-00-639-2379 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 5306-00-639-2379 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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