5305-00-655-6541

Find complete technical information, availability, and procurement data for: 5305-00-655-6541
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-655-6541

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

Cancelled

This item was cancelled on: 07/01/2025.

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

0.359 inches minimum and 0.406 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 0.285 inches minimum thread length, 3a thread class

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: 0.285 inches minimum
Fastener Length: 0.359 inches minimum and 0.406 inches maximum
Head Style: flat countersunk
Head Diameter: 0.308 inches minimum and 0.332 inches maximum
Internal Drive Style: torque set
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Countersink Angle: 0.308 degrees minimum and 0.332 degrees maximum
Screw Material: steel
Screw Material Document And Classification: mil-s-8695 mil spec single material response
Screw Surface Treatment: cadmium
Thread Series Designator: unc

FAQs

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

What is the FSCG of the NSN 5305-00-655-6541?

The FSCG of the NSN 5305-00-655-6541 is 5305

Does the NSN 5305-00-655-6541 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-655-6541 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 5305-00-655-6541 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-655-6541 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 5305-00-655-6541 was assigned to the Federal Catalog?

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