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MS16997-217 7/8 -9UNC-3A

View detailed technical data, stock status, and sourcing information for: MS16997-217 7/8 -9UNC-3A

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MS16997-217 7/8 -9UNC-3A
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-983-8087
Item Name Code
16282
Assigment Date
01/01/1962 (64 years ago)

3a thread class, 4.360 inches minimum and 4.500 inches maximum fastener length, right-hand thread direction, 2.360 inches minimum and 3.056 inches maximum thread length, flat chamfer head style

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
2.360 inches minimum and 3.056 inches maximum
Fastener Length
4.360 inches minimum and 4.500 inches maximum
Head Style
flat chamfer
Head Diameter
1.293 inches minimum and 1.313 inches maximum
Head Height
0.864 inches minimum and 0.875 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.875 inches
Width Across Flats
0.750 inches minimum and 0.757 inches maximum
Thread Quantity Per Inch
9
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
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

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
MS16997-217 Socket Head Cap Screw
MS16997-217 7/8 -9UNC-3A Socket Head Cap Screw
NAS1352-14-72P Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-983-8087?
The FSCG of the NSN 5305-00-983-8087 is 5305
Does the NSN 5305-00-983-8087 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-983-8087 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 5305-00-983-8087 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-983-8087 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 5305-00-983-8087 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962

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