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MS16997-100 Socket Head Cap Screw

5305-00-978-9395

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Official Item Classification

Name
Socket Head Cap Screw
Part Number
MS16997-100
(NSN) National Stock Number
5305-00-978-9395
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
16282
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1962 (64 years ago)

1.210 inches minimum and 1.250 inches maximum fastener length, 3a thread class, right-hand thread direction, flat chamfer head style, 1.210 inches minimum and 1.250 inches maximum thread length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

1.210 inches minimum and 1.250 inches maximum

Fastener Length

1.210 inches minimum and 1.250 inches maximum

Head Style

flat chamfer

Head Diameter

0.550 inches minimum and 0.562 inches maximum

Head Height

0.368 inches minimum and 0.375 inches maximum

Internal Drive Style

hexagon

Nominal Thread Diameter

0.375 inches

Width Across Flats

0.312 inches minimum and 0.316 inches maximum

Thread Quantity Per Inch

16

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c minimum and 45.0 rockwell c maximum overall

Minimum Yield Strength

130000 pounds per square inch

Material

steel overall

Surface Treatment

cadmium and chromate overall

Thread Series Designator

unc

Replacement For

Part Number Description
5305-00-013-8243 No Name Available 01/01/1980
5305-00-151-9728 No Name Available 05/01/1986
5305-00-272-7400 No Name Available 04/04/1967
5305-00-551-0142 Socket Head Cap Screw 07/01/2025
5305-00-883-0656 No Name Available 07/08/1970

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0016282

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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-978-9395?
The FSCG of the NSN 5305-00-978-9395 is 5305
Does the NSN 5305-00-978-9395 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-978-9395 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 5305-00-978-9395 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-978-9395 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 5305-00-978-9395 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962