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5305-00-005-7251

Machine Screw

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Official Item Classification

Name
Machine Screw
(NSN) National Stock Number
5305-00-005-7251
(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
06/16/1972 (54 years ago)

Thread Diameter: 0.25", Width Between Flats: 0.495-0.505"

Specs & Compatibility

Thread Class

2a

Thread Direction

Right-hand

Thread Length

0.43 inches minimum and 0.47 inches maximum

Fastener Length

0.48 inches minimum and 0.52 inches maximum

Head Style

Hexagon

Head Height

0.14 inches minimum and 0.18 inches maximum

Internal Drive Style

Slot

Width Between Flats

0.495 inches minimum and 0.505 inches maximum

Nominal Thread Diameter

0.25 inches

Screw Material Document and Classification

Qq-s-763 fed spec single material response

Thread Quantity Per Inch

20

Screw Material

Steel comp 303

Screw Surface Treatment

Passivate

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
SMB502988 Machine Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-005-7251?
The FSCG of the NSN 5305-00-005-7251 is 5305
Does the NSN 5305-00-005-7251 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-005-7251 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 5305-00-005-7251 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-005-7251 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 5305-00-005-7251 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Fri, Jun 16, 1972