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5305-00-958-5248

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-958-5248
(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
01/01/1963 (63 years ago)

1.185 inches minimum and 1.347 inches maximum thread length, 1.438 inches minimum and 1.500 inches maximum fastener length, 2a thread class, right-hand thread direction, flat countersunk head style

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.185 inches minimum and 1.347 inches maximum

Fastener Length

1.438 inches minimum and 1.500 inches maximum

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

20

Minimum Tensile Strength

60000 pounds per square inch

Countersink Angle

80.0 degrees minimum and 82.0 degrees maximum

Screw Surface Treatment

cadmium or zinc

Screw Surface Treatment Document And Classification

sae/ams qq-p-416 ty2cl3 fed spec single treatment response or astm-b633 ty2cl3 assn std single treatment response

Special Features

screwmaterial - steel,carbon

Thread Series Designator

unc

Replacement For

Part Number Description
5305-00-297-8218 Machine Screw 07/01/2025
5305-00-584-5422 No Name Available 06/29/2023

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

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Part Number Description
5305009585248 Machine Screw
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Frequently Asked Questions

What is the FSCG of the NSN 5305-00-958-5248?
The FSCG of the NSN 5305-00-958-5248 is 5305
Does the NSN 5305-00-958-5248 have a Schedule B code assigned?
Yes, the Schedule B code is 8479899900
Does NSN 5305-00-958-5248 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 5305-00-958-5248 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-958-5248 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 5305-00-958-5248 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963