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5305-00-281-5243

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-281-5243
(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)

2a thread class, 1.250 inches minimum thread length, fillister head style, right-hand thread direction, 1.834 inches minimum and 1.854 inches maximum fastener length

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.250 inches minimum

Fastener Length

1.834 inches minimum and 1.854 inches maximum

Head Style

fillister

Head Diameter

0.389 inches minimum and 0.414 inches maximum

Head Height

0.143 inches minimum and 0.163 inches maximum

Hole Diameter

0.062 inches nominal

Internal Drive Style

slot

Nominal Thread Diameter

0.250 inches

Hole Quantity

1

Thread Quantity Per Inch

20

Screw Material

steel comp 1117 or steel comp 1015

Screw Surface Treatment

cadmium

Screw Surface Treatment Document And Classification

ams 2400 assn std single treatment response

Head Hole Configuration Style

round

Thread Series Designator

unc

Replacement For

Part Number Description
5305-00-148-6326 No Name Available 01/01/1960

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
396540 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-281-5243?
The FSCG of the NSN 5305-00-281-5243 is 5305
Does the NSN 5305-00-281-5243 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-281-5243 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 5305-00-281-5243 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-281-5243 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 5305-00-281-5243 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963