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5305-01-256-6802

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-01-256-6802
(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
06/08/1987 (39 years ago)

right-hand thread direction, 0.429 inches minimum and 0.500 inches maximum thread length, 0.500 inches nominal fastener length, 2a thread class, round head style

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.429 inches minimum and 0.500 inches maximum

Fastener Length

0.500 inches nominal

Head Style

round

Head Diameter

0.443 inches minimum and 0.472 inches maximum

Head Height

0.160 inches minimum and 0.175 inches maximum

Internal Drive Style

slot

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

28

Screw Material

plastic polyamide (nylon)

Color

natural

Thread Series Designator

unf

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
1/4-28X.500LONG Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-256-6802?
The FSCG of the NSN 5305-01-256-6802 is 5305
Does the NSN 5305-01-256-6802 have a Schedule B code assigned?
Yes, the Schedule B code is 3926909987
Does NSN 5305-01-256-6802 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 5305-01-256-6802 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-256-6802 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 5305-01-256-6802 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Mon, Jun 8, 1987