BM17028-8-40

View detailed technical data, stock status, and sourcing information for: BM17028-8-40
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-004-5005

Item Name Code

27851

Assigment Date

06/10/1975 (51 years ago)

A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); couplig (as modified); or nipple (as modified). Excludes: tube,bent (as modified); pipe,metallic; spacer sleeve; metal bar (hollow); and items with fitting, except end protectors.

0.490 inches minimum and 0.557 inches maximum thread length, 3a thread class, right-hand thread direction, double hexagon head style, 3.000 inches minimum and 3.047 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: 0.490 inches minimum and 0.557 inches maximum
Fastener Length: 3.000 inches minimum and 3.047 inches maximum
Head Style: double hexagon
Head Height: 0.271 inches minimum and 0.291 inches maximum
Width Between Flats: 0.741 inches minimum and 0.752 inches maximum
Grip Diameter: 0.4985 inches minimum and 0.4995 inches maximum
Shank Unthreaded Hole Diameter: 0.106 inches minimum and 0.111 inches maximum first hole
Nominal Thread Diameter: 0.500 inches
Grip Length: 2.490 inches minimum and 2.510 inches maximum
Thread Quantity Per Inch: 20
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.872 inches minimum and 2.929 inches maximum first hole
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: mac ps13145,mcdonnell douglas corp mfr ref single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 08524-b-17028 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
73992-3-8D40	Close Tolerance Bolt
A1C244-8D40	Close Tolerance Bolt
AIC244-8D40	Close Tolerance Bolt
BM17028-8-40	Close Tolerance Bolt
MB13-8D40	Close Tolerance Bolt
ST3M561-8D40	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-004-5005?

The FSCG of the NSN 5306-01-004-5005 is 5306

Does the NSN 5306-01-004-5005 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-004-5005 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 5306-01-004-5005 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-004-5005 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 5306-01-004-5005 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Tue, Jun 10, 1975