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5305-00-004-6503

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-004-6503
(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
06/07/1972 (54 years ago)

flat countersunk head style, 2a thread class, right-hand thread direction, 0.169 inches minimum and 0.200 inches maximum thread length, 0.219 inches minimum and 0.250 inches maximum fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.169 inches minimum and 0.200 inches maximum

Fastener Length

0.219 inches minimum and 0.250 inches maximum

Head Style

flat countersunk

Head Diameter

0.200 inches minimum and 0.225 inches maximum

Internal Drive Style

slot

Nominal Thread Diameter

0.112 inches

Thread Quantity Per Inch

40

Minimum Tensile Strength

55000 pounds per square inch

Countersink Angle

80.0 degrees minimum and 82.0 degrees maximum

Screw Material

copper alloy

Thread Series Designator

unc

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
AN505UB4-4 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-004-6503?
The FSCG of the NSN 5305-00-004-6503 is 5305
Does the NSN 5305-00-004-6503 have a Schedule B code assigned?
Yes, the Schedule B code is 7415338550
Does NSN 5305-00-004-6503 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 5305-00-004-6503 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-004-6503 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 5305-00-004-6503 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Jun 7, 1972