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MS35191-252 Machine Screw

5305-00-993-9139

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Official Item Classification

Name
Machine Screw
Part Number
MS35191-252
(NSN) National Stock Number
5305-00-993-9139
(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
01/01/1962 (64 years ago)

flat countersunk head style, 2a thread class, 0.375 inches nominal fastener length, right-hand thread direction, 0.319 inches minimum and 0.375 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.319 inches minimum and 0.375 inches maximum

Fastener Length

0.375 inches nominal

Head Style

flat countersunk

Head Diameter

0.292 inches minimum and 0.332 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.164 inches

Thread Quantity Per Inch

36

Minimum Tensile Strength

55000 pounds per square inch

Countersink Angle

80.0 degrees minimum and 82.0 degrees maximum

Screw Material

steel comp 1010 or steel comp 1011 or steel comp 1013

Screw Material Document And Classification

66 fed std all material responses

Screw Surface Treatment

cadmium and chromate

Screw Surface Treatment Document And Classification

qq-p-416,ty 2,cl 3 fed spec single treatment response

Thread Series Designator

unf

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

0006657

Related Hardware Products

Part Number Description
5305009939139 Machine Screw
MS35191-252 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-993-9139?
The FSCG of the NSN 5305-00-993-9139 is 5305
Does the NSN 5305-00-993-9139 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-993-9139 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 5305-00-993-9139 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-993-9139 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 5305-00-993-9139 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962