5305-01-623-7871

Find complete technical information, availability, and procurement data for: 5305-01-623-7871
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-623-7871

Item Name Code

06657

Assigment Date

12/02/2013 (12 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

3a thread class, 1.656 inches nominal fastener length, pan head style, right-hand thread direction, 0.687 inches nominal thread 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: 0.687 inches nominal
Fastener Length: 1.656 inches nominal
Head Style: pan
Head Diameter: 0.716 inches minimum and 0.740 inches maximum
Head Height: 0.244 inches minimum and 0.261 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Part Name Assigned By Controlling Agency: screw machine pan head structural
Screw Material: steel comp 8630 or steel comp 8740 or steel comp 4130
Screw Surface Treatment: cadmium
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
MS27039-6-25	Machine Screw
NASM27039-6-25	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-623-7871?

The FSCG of the NSN 5305-01-623-7871 is 5305

Does the NSN 5305-01-623-7871 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-623-7871 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 5305-01-623-7871 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-623-7871 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 5305-01-623-7871 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Mon, Dec 2, 2013