BACB30LU4-5

View detailed technical data, stock status, and sourcing information for: BACB30LU4-5
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-526-1224

Item Name Code

29294

Assigment Date

08/28/1974 (51 years ago)

0.722 inches minimum and 0.752 inches maximum fastener length, 3a thread class, 0.425 inches nominal thread length, right-hand thread direction, flat countersunk 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: 3a
Thread Direction: right-hand
Thread Length: 0.425 inches nominal
Fastener Length: 0.722 inches minimum and 0.752 inches maximum
Head Style: flat countersunk
Head Diameter: 0.455 inches minimum and 0.510 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: cross recess type 1
End Item Identification: tf-33 engine;engine, aircraft, tf-33-p-7;aircraft, c-18a, ec-18b;joint stars target radar sys;aircraft, stratofortress b-52;aircraft, stratolifter c-135;e-3a awacs
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.302 inches minimum and 0.322 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 100.0 degrees maximum
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp e4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049rjgcams 6322 mil spec 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec 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
BACB30LU4-5	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-526-1224?

The FSCG of the NSN 5305-00-526-1224 is 5305

Does the NSN 5305-00-526-1224 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-526-1224 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 5305-00-526-1224 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-526-1224 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 5305-00-526-1224 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Wed, Aug 28, 1974