5305-01-056-5097

Find complete technical information, availability, and procurement data for: 5305-01-056-5097
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-056-5097

Item Name Code

06657

Assigment Date

02/24/1978 (48 years ago)

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.

0.276 inches minimum and 0.343 inches maximum thread length, fillister head style, right-hand thread direction, 0.312 inches minimum and 0.343 inches maximum fastener length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.276 inches minimum and 0.343 inches maximum
Fastener Length: 0.312 inches minimum and 0.343 inches maximum
Head Style: fillister
Head Diameter: 0.145 inches minimum and 0.161 inches maximum
Head Height: 0.061 inches minimum and 0.070 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.099 inches
Thread Quantity Per Inch: 56
Screw Material: copper alloy 230 or copper alloy 240 or copper alloy 260 or copper alloy 268 or copper alloy 342 or copper alloy 353 or copper alloy 360 or copper alloy 764 or copper alloy 270 or copper alloy 510 or copper alloy 745 or copper alloy 752 or copper alloy 770
Screw Surface Treatment: oxide
Thread Series Designator: unf

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
14062-4	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-056-5097?

The FSCG of the NSN 5305-01-056-5097 is 5305

Does the NSN 5305-01-056-5097 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-056-5097 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 5305-01-056-5097 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-056-5097 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 5305-01-056-5097 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Feb 24, 1978