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MS51959-66B Machine Screw

5305-01-626-1133

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Official Item Classification

Name
Machine Screw
Part Number
MS51959-66B
(NSN) National Stock Number
5305-01-626-1133
(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
02/26/2014 (12 years ago)

2a thread class, 0.875 inches nominal fastener length, flat countersunk head style, right-hand thread direction, 0.792 inches minimum and 0.875 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.792 inches minimum and 0.875 inches maximum

Fastener Length

0.875 inches nominal

Head Style

flat countersunk

Head Diameter

0.340 inches minimum and 0.385 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 302 or steel comp 303 or steel comp 304 or steel comp 305

Screw Surface Treatment

oxide

Color

black

Thread Series Designator

unc

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

0006657

Related Hardware Products

Part Number Description
10-2299-1B ITEM 94 Machine Screw
MS51959-66B Machine Screw
NASM51959-66B Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-626-1133?
The FSCG of the NSN 5305-01-626-1133 is 5305
Does the NSN 5305-01-626-1133 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-626-1133 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 5305-01-626-1133 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-626-1133 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 5305-01-626-1133 was assigned to the Federal Catalog?
It was assigned 12 years ago, on Wed, Feb 26, 2014