5305-01-341-4703

Find complete technical information, availability, and procurement data for: 5305-01-341-4703
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-341-4703

Item Name Code

18257

Assigment Date

07/01/1991 (35 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.

0.750 inches nominal fastener length, 2a thread class, 0.650 inches nominal thread length, right-hand thread direction, hexagon head style

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: 0.650 inches nominal
Fastener Length: 0.750 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 130000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum overall
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281 fed spec single material response overall
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
0.250X20UNC-2A X 0.750 LG	Hexagon Head Cap Screw
2498-00-259 14IN DET 23	Hexagon Head Cap Screw
2498-00-259 14IN DETAIL 23	Hexagon Head Cap Screw
M1222RN4C212NALN	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-341-4703?

The FSCG of the NSN 5305-01-341-4703 is 5305

Does the NSN 5305-01-341-4703 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-341-4703 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 5305-01-341-4703 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-341-4703 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 5305-01-341-4703 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Mon, Jul 1, 1991