5305-00-273-2030

Find complete technical information, availability, and procurement data for: 5305-00-273-2030
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-273-2030

Item Name Code

06657

Assigment Date

01/01/1963 (63 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.

flat chamfer head style, 2a thread class, 0.140 inches minimum and 0.160 inches maximum thread length, 0.140 inches minimum and 0.160 inches maximum fastener length, right-hand thread direction

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: 0.140 inches minimum and 0.160 inches maximum
Fastener Length: 0.140 inches minimum and 0.160 inches maximum
Head Style: flat chamfer
Head Diameter: 0.240 inches minimum and 0.260 inches maximum
Head Height: 0.070 inches minimum and 0.090 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Screw Material: copper alloy 462 or copper alloy 464 or copper alloy 482 or copper alloy 485
Thread Series Designator: unc

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
256476PC6	Machine Screw
299273PC3	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-273-2030?

The FSCG of the NSN 5305-00-273-2030 is 5305

Does the NSN 5305-00-273-2030 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-273-2030 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 5305-00-273-2030 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-273-2030 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 5305-00-273-2030 was assigned to the Federal Catalog?

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