5305-01-109-4534

Find complete technical information, availability, and procurement data for: 5305-01-109-4534
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-109-4534

Item Name Code

18257

Assigment Date

03/15/1981 (45 years ago)

An item of solid one-piece construction, designed to restrict the flow of a fluid through it. It has an orifice of a smaller size than the diameter of flow into it. Excludes:items such as valve (1), (as modified); and others with an adjustable orifice. Excludes:pipe, tube, or hose fittings with restricted passages and items designed to test fluid flow. For items containing screens or filters, see restrictor unit, fluid flow.

1.720 inches minimum and 1.780 inches maximum thread length, hexagon head style, right-hand thread direction, 2a thread class, 3.306 inches minimum and 3.413 inches maximum fastener 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: 2a
Thread Direction: right-hand
Thread Length: 1.720 inches minimum and 1.780 inches maximum
Fastener Length: 3.306 inches minimum and 3.413 inches maximum
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.4375 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Countersink Angle: 15.0 degrees minimum and 30.0 degrees maximum
Material: steel overall
Material Document And Classification: sae j429 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment 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
10388973	Hexagon Head Cap Screw
11628933	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-109-4534?

The FSCG of the NSN 5305-01-109-4534 is 5305

Does the NSN 5305-01-109-4534 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-109-4534 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 5305-01-109-4534 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-109-4534 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 5305-01-109-4534 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Sun, Mar 15, 1981