BM19045-6-15A

View detailed technical data, stock status, and sourcing information for: BM19045-6-15A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-044-3012

Item Name Code

29294

Assigment Date

07/10/1977 (49 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

0.375 inches minimum and 0.442 inches maximum thread length, 3a thread class, right-hand thread direction, flat countersunk head style, 1.322 inches minimum and 1.369 inches maximum fastener 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: 0.375 inches minimum and 0.442 inches maximum
Fastener Length: 1.322 inches minimum and 1.369 inches maximum
Head Style: flat countersunk
Head Diameter: 0.698 inches minimum and 0.762 inches maximum
Grip Diameter: 0.3733 inches minimum and 0.3742 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.927 inches minimum and 0.947 inches maximum
Thread Quantity Per Inch: 24
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-s-8837 ty 2 cl 3 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
BM19045-6-15A	Close Tolerance Screw
GB510N6A15	Close Tolerance Screw
HT326-6A15	Close Tolerance Screw
HT8181F6-15	Close Tolerance Screw
SFH22D6A15	Close Tolerance Screw
SHF22D6A15	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-044-3012?

The FSCG of the NSN 5305-01-044-3012 is 5305

Does the NSN 5305-01-044-3012 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-044-3012 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 5305-01-044-3012 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-044-3012 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 5305-01-044-3012 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Jul 10, 1977