5305-01-647-6653

Find complete technical information, availability, and procurement data for: 5305-01-647-6653
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-647-6653

Item Name Code

29294

Assigment Date

08/27/2015 (10 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

3a thread class, flat countersunk head style, right-hand thread direction, 0.950 inches minimum and 0.980 inches maximum fastener length, 0.403 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: 0.403 inches nominal
Fastener Length: 0.950 inches minimum and 0.980 inches maximum
Head Style: flat countersunk
Head Diameter: 0.350 inches minimum and 0.398 inches maximum
Grip Diameter: 0.248 inches minimum and 0.249 inches maximum
Internal Drive Style: offset cruciform (torque set)
End Item Identification: b-52 aircraft
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.552 inches minimum and 0.573 inches maximum
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: bolt, 100 degree flush reduced head
Material: iron alloy 660 overall
Surface Treatment: cadmium overall
Thread Series Designator: unjf

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
NAS1581C4H9P	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-647-6653?

The FSCG of the NSN 5305-01-647-6653 is 5305

Does the NSN 5305-01-647-6653 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-647-6653 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 5305-01-647-6653 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-647-6653 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 5305-01-647-6653 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Thu, Aug 27, 2015