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MS51959-58 Machine Screw

5305-01-080-2184

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Official Item Classification

Name
Machine Screw
Part Number
MS51959-58
(NSN) National Stock Number
5305-01-080-2184
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06657
(FIIG) Federal Item Identification Guide
A500D0
Date
07/21/1979 (47 years ago)

0.157 inches minimum and 0.188 inches maximum fastener length, 0.076 inches minimum and 0.120 inches maximum thread length, 2a thread class, flat countersunk undercut head style, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.076 inches minimum and 0.120 inches maximum

Fastener Length

0.157 inches minimum and 0.188 inches maximum

Head Style

flat countersunk undercut

Head Diameter

0.340 inches minimum and 0.385 inches maximum

Head Height

0.068 inches minimum and 0.081 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.190 inches

Thread Quantity Per Inch

24

Minimum Tensile Strength

80000 pounds per square inch

Countersink Angle

80.0 degrees minimum and 82.0 degrees maximum

Screw Material

steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385

Screw Surface Treatment

passivate

Screw Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response

Thread Series Designator

unc

Nondefinitive Spec/Std Data

3 type and 2c style

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0006657

Related Hardware Products

Part Number Description
MS51959-58 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-080-2184?
The FSCG of the NSN 5305-01-080-2184 is 5305
Does the NSN 5305-01-080-2184 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-080-2184 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 5305-01-080-2184 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-080-2184 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 5305-01-080-2184 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Sat, Jul 21, 1979