5305-01-419-4344

Find complete technical information, availability, and procurement data for: 5305-01-419-4344
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-419-4344

Item Name Code

06657

Assigment Date

09/21/1995 (30 years ago)

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

pan head style, 0.344 inches minimum and 0.375 inches maximum fastener length, 0.375 inches nominal thread length, 2a thread class, 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: 0.375 inches nominal
Fastener Length: 0.344 inches minimum and 0.375 inches maximum
Head Style: pan
Head Diameter: 0.256 inches minimum and 0.270 inches maximum
Head Height: 0.087 inches minimum and 0.097 inches maximum
Internal Drive Style: cross recess type 1
End Item Identification: mrap - cougar; mrap - cougar cat1 a2; mrap - cougar
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Screw Material: steel comp 316
Screw Surface Treatment: passivate
Special Features: cres comp 316 only
Thread Series Designator: unc
Departure From Cited Document: as modified by material

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
10113807	Machine Screw
401-6357235-28	Machine Screw
5305PL0885562	Machine Screw
MS51957-28S316	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-419-4344?

The FSCG of the NSN 5305-01-419-4344 is 5305

Does the NSN 5305-01-419-4344 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-419-4344 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 5305-01-419-4344 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-419-4344 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 5305-01-419-4344 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, Sep 21, 1995