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MS51960-90 Machine Screw

5305-00-932-3956

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Official Item Classification

Name
Machine Screw
Part Number
MS51960-90
(NSN) National Stock Number
5305-00-932-3956
(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
02/17/1967 (59 years ago)

2.000 inches nominal fastener length, flat countersunk head style, 2a thread class, right-hand thread direction, 1.929 inches minimum and 2.000 inches maximum thread length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.929 inches minimum and 2.000 inches maximum

Fastener Length

2.000 inches nominal

Head Style

flat countersunk

Head Diameter

0.452 inches minimum and 0.507 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

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 or steel comp 316

Screw Material Document And Classification

66 fed std all material responses

Screw Surface Treatment

passivate

Screw Surface Treatment Document And Classification

qq-p-35 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
003-007861-90 Machine Screw
MS51960-90 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-932-3956?
The FSCG of the NSN 5305-00-932-3956 is 5305
Does the NSN 5305-00-932-3956 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-932-3956 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 5305-00-932-3956 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-932-3956 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 5305-00-932-3956 was assigned to the Federal Catalog?
It was assigned 59 years ago, on Fri, Feb 17, 1967