540177-002

View detailed technical data, stock status, and sourcing information for: 540177-002
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-455-2508

Item Name Code

06657

Assigment Date

04/25/1969 (57 years ago)

right-hand thread direction, 0.069 inches minimum and 0.137 inches maximum thread length, flat countersunk head style, 2a thread class, 0.156 inches minimum and 0.188 inches maximum fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.069 inches minimum and 0.137 inches maximum
Fastener Length: 0.156 inches minimum and 0.188 inches maximum
Head Style: flat countersunk
Head Diameter: 0.147 inches minimum and 0.172 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Minimum Tensile Strength: 80000 pounds per square inch
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel corrosion resisting or steel
Screw Material Document And Classification: qq-s-763,300 series fed spec 1st material response or 66,300 series fed std 1st material response or comp 16-18 or 18-8 assn std 2nd material response
Screw Surface Treatment: oxide
Screw Surface Treatment Document And Classification: mil-c-13924,cl 4 mil spec single treatment response
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 3 type and 2c style
Departure From Cited Designator: as modified by finish

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-036-6768	No Name Available	01/01/1980
5305-01-308-5920	No Name Available	09/01/1993

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31199400008	Machine Screw
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540177-002	Machine Screw
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FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-455-2508?

The FSCG of the NSN 5305-00-455-2508 is 5305

Does the NSN 5305-00-455-2508 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-455-2508 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 5305-00-455-2508 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-455-2508 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 5305-00-455-2508 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Apr 25, 1969