BM19045-4-14A

View detailed technical data, stock status, and sourcing information for: BM19045-4-14A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-043-1880

Item Name Code

29294

Assigment Date

06/21/1977 (49 years ago)

right-hand thread direction, 3a thread class, 1.152 inches minimum and 1.199 inches maximum fastener length, 0.267 inches minimum and 0.334 inches maximum thread length, 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: 0.267 inches minimum and 0.334 inches maximum
Fastener Length: 1.152 inches minimum and 1.199 inches maximum
Head Style: flat countersunk
Head Diameter: 0.447 inches minimum and 0.507 inches maximum
Grip Diameter: 0.2483 inches minimum and 0.2492 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.865 inches minimum and 0.885 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Countersink Angle: 100.0 degrees nominal
Surface Finish: 32.0 microinches grip
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp h11 overall
Material Document And Classification: ams 6487 assn std single material response overall
Surface Treatment: cadmium or cadmium and chromate overall
Surface Treatment Document And Classification: nas 672 assn std 1st treatment response or mil-c-8837 ty 2 cl 2 mil spec 2nd treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 26512-gb510n manufacturers standard

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
BM19045-4-14A	Close Tolerance Screw
GB510FG4-14	Close Tolerance Screw
GB510N4A14	Close Tolerance Screw
HT326-4A14	Close Tolerance Screw
HT8181F4-14	Close Tolerance Screw
SFH22D4A14	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-043-1880?

The FSCG of the NSN 5305-01-043-1880 is 5305

Does the NSN 5305-01-043-1880 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-043-1880 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 5305-01-043-1880 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-043-1880 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 5305-01-043-1880 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Tue, Jun 21, 1977