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5305-00-059-2503

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-059-2503
(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
01/01/1961 (65 years ago)

flat countersunk head style, 1.875 inches minimum and 2.000 inches maximum thread length, right-hand thread direction, 2.000 inches nominal fastener length, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.875 inches minimum and 2.000 inches maximum

Fastener Length

2.000 inches nominal

Head Style

flat countersunk

Head Diameter

0.685 inches minimum and 0.762 inches maximum

Internal Drive Style

cross recess type 1

Nominal Thread Diameter

0.375 inches

Thread Quantity Per Inch

16

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

unc

Replacement For

Part Number Description
5305-00-543-5559 No Name Available 10/01/1982
5305-00-584-8307 No Name Available 12/01/1982
5305-00-995-0621 No Name Available 08/27/1971

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
MS51959-115 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-059-2503?
The FSCG of the NSN 5305-00-059-2503 is 5305
Does the NSN 5305-00-059-2503 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-059-2503 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 5305-00-059-2503 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-059-2503 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 5305-00-059-2503 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961