BM3200-5A028D

View detailed technical data, stock status, and sourcing information for: BM3200-5A028D
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-151-6179

Item Name Code

27851

Assigment Date

04/14/1971 (55 years ago)

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

0.325 inches minimum and 0.392 inches maximum thread length, right-hand thread direction, double hexagon head style, 1.460 inches minimum and 1.507 inches maximum fastener length, 3a thread class

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: 0.325 inches minimum and 0.392 inches maximum
Fastener Length: 1.460 inches minimum and 1.507 inches maximum
Head Style: double hexagon
Head Height: 0.187 inches nominal
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.115 inches minimum and 0.135 inches maximum
Thread Quantity Per Inch: 24
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.341 inches minimum and 1.373 inches maximum first hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Material: steel overall
Material Document And Classification: h-11,sts bs000,fscm 98897 mfr ref single material response overall
Surface Treatment: nickel and cadmium and chromate overall
Surface Treatment Document And Classification: sts bs 000,lockheed-georgia co mfr ref all treatment responses overall
Thread Series Designator: unjf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-01-278-3730	No Name Available	06/01/1993

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
11797A05D018	Close Tolerance Bolt
68484-5-018	Close Tolerance Bolt
68484-5-18	Close Tolerance Bolt
AIC2263A05D028	Close Tolerance Bolt
BM3200-5A028D	Close Tolerance Bolt
PBF1041A5D028	Close Tolerance Bolt
STSBG000A05D018	Close Tolerance Bolt
VAL23611-5DS028	Close Tolerance Bolt
VS2978A05D018	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-151-6179?

The FSCG of the NSN 5306-00-151-6179 is 5306

Does the NSN 5306-00-151-6179 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-151-6179 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 5306-00-151-6179 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-151-6179 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 5306-00-151-6179 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Wed, Apr 14, 1971