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MS51975-5 Shoulder Screw

5305-00-940-9448

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Official Item Classification

Name
Shoulder Screw
Part Number
MS51975-5
(NSN) National Stock Number
5305-00-940-9448
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
22846
(FIIG) Federal Item Identification Guide
A003B0
Date
12/11/1965 (60 years ago)

0.355 inches minimum and 0.375 inches maximum thread length, flat chamfer head style, 3a thread class, 1.355 inches minimum and 1.375 inches maximum fastener length, right-hand thread direction

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.355 inches minimum and 0.375 inches maximum

Fastener Length

1.355 inches minimum and 1.375 inches maximum

Head Style

flat chamfer

Head Diameter

0.357 inches minimum and 0.375 inches maximum

Head Height

0.177 inches minimum and 0.187 inches maximum

Shoulder Diameter

0.246 inches minimum and 0.248 inches maximum first shoulder

Shoulder Length

1.000 inches nominal first shoulder

Internal Drive Style

hexagon

Nominal Thread Diameter

0.190 inches

Width Across Flats

0.125 inches nominal

Thread Quantity Per Inch

24

Minimum Tensile Strength

140000 pounds per square inch

Hardness Rating

35.0 rockwell c minimum and 43.0 rockwell c maximum overall

Shoulder Shape

round first shoulder

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

Replacement For

Part Number Description
5305-00-978-8662 No Name Available 01/12/1972

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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

0022846

Related Hardware Products

Part Number Description
MS16637-5 Shoulder Screw
MS16638-5 Shoulder Screw
MS51975-5 Shoulder Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-940-9448?
The FSCG of the NSN 5305-00-940-9448 is 5305
Does the NSN 5305-00-940-9448 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-940-9448 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 5305-00-940-9448 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-940-9448 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 5305-00-940-9448 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Sat, Dec 11, 1965