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3176207-A-040

View detailed technical data, stock status, and sourcing information for: 3176207-A-040

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3176207-A-040
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-147-9771
Item Name Code
16282
Assigment Date
02/25/1983 (43 years ago)

0.658 inches minimum and 0.750 inches maximum thread length, flat chamfer head style, right-hand thread direction, 3a thread class, 0.720 inches minimum and 0.750 inches maximum fastener 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
0.658 inches minimum and 0.750 inches maximum
Fastener Length
0.720 inches minimum and 0.750 inches maximum
Head Style
flat chamfer
Head Diameter
0.262 inches minimum and 0.270 inches maximum
Head Height
0.159 inches minimum and 0.164 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.164 inches
Width Across Flats
0.141 inches nominal
Thread Quantity Per Inch
32
Minimum Tensile Strength
180000 pounds per square inch
Hardness Rating
38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength
155000 pounds per square inch
Material
steel overall
Surface Treatment
zinc and chromate overall
Surface Treatment Document And Classification
qq-z-325,ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator
unc
Nondefinitive Spec/Std Data
6 type

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
3176207-A-040 Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-147-9771?
The FSCG of the NSN 5305-01-147-9771 is 5305
Does the NSN 5305-01-147-9771 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-147-9771 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 5305-01-147-9771 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-147-9771 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 5305-01-147-9771 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Fri, Feb 25, 1983

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