5305-01-034-2827

Find complete technical information, availability, and procurement data for: 5305-01-034-2827
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-034-2827

Item Name Code

18257

Assigment Date

01/22/1977 (49 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.

2a thread class, hexagon head style, 0.750 inches minimum and 0.770 inches maximum thread length, 1.880 inches nominal 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: 0.750 inches minimum and 0.770 inches maximum
Fastener Length: 1.880 inches nominal
Head Style: hexagon
Head Height: 0.190 inches nominal
Width Between Flats: 0.250 inches nominal
Shank Unthreaded Hole Diameter: 0.062 inches minimum and 0.065 inches maximum first hole
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.850 inches nominal first hole
Material: steel overall
Material Document And Classification: astm a582,ty 416 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
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
6379335-1	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-034-2827?

The FSCG of the NSN 5305-01-034-2827 is 5305

Does the NSN 5305-01-034-2827 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-034-2827 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 5305-01-034-2827 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-034-2827 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 5305-01-034-2827 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Jan 22, 1977