5305-00-271-7778

Find complete technical information, availability, and procurement data for: 5305-00-271-7778
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-271-7778

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, fillister head style, 0.469 inches minimum and 0.594 inches maximum thread length, 3a thread class, 0.594 inches minimum and 0.625 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: 3a
Thread Direction: right-hand
Thread Length: 0.469 inches minimum and 0.594 inches maximum
Fastener Length: 0.594 inches minimum and 0.625 inches maximum
Head Style: fillister
Head Diameter: 0.250 inches minimum and 0.270 inches maximum
Head Height: 0.106 inches minimum and 0.113 inches maximum
Hole Diameter: 0.046 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Hole Quantity: 1
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Screw Material: steel comp 8630 or steel comp 4037
Screw Material Document And Classification: mil-s-6050 mil spec 1st material response or ams 6300 assn std 2nd material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response
Head Hole Configuration Style: round
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-145-7043	No Name Available	01/01/1961
5305-00-568-4353	No Name Available	01/01/1963

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
189482	Machine Screw
6628874P30	Machine Screw
8170304	Machine Screw
890000-10	Machine Screw
A-1635-56	Machine Screw
AC503-8-10	Machine Screw
AN503-8-10	Machine Screw
P17D5061-2	Machine Screw
TF28416	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-271-7778?

The FSCG of the NSN 5305-00-271-7778 is 5305

Does the NSN 5305-00-271-7778 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-271-7778 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 5305-00-271-7778 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-271-7778 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 5305-00-271-7778 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963