BACB30ZE3-4

View detailed technical data, stock status, and sourcing information for: BACB30ZE3-4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-622-4998

Item Name Code

29294

Assigment Date

10/09/2013 (12 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

0.580 inches minimum and 0.610 inches maximum fastener length, 3a thread class, flat countersunk head style, right-hand thread direction, 0.345 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: 0.345 inches nominal
Fastener Length: 0.580 inches minimum and 0.610 inches maximum
Head Style: flat countersunk
Head Diameter: 0.266 inches minimum and 0.305 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.1900 inches
Grip Length: 0.25 inches nominal
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel corrosion resisting overall
Material Document And Classification: ams 5737 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams-qq-p-416, type 2, class 2 assn std single treatment response 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
BACB30ZE3-4	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-622-4998?

The FSCG of the NSN 5305-01-622-4998 is 5305

Does the NSN 5305-01-622-4998 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-622-4998 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 5305-01-622-4998 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-622-4998 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 5305-01-622-4998 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Wed, Oct 9, 2013