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BM55132-6-26

View detailed technical data, stock status, and sourcing information for: BM55132-6-26

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BM55132-6-26
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-487-4892
Item Name Code
15903
Assigment Date
06/13/1969 (57 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.374 inches minimum and 0.441 inches maximum thread length, 2.009 inches minimum and 2.056 inches maximum fastener length, double hexagon head style, right-hand thread direction, 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
0.374 inches minimum and 0.441 inches maximum
Fastener Length
2.009 inches minimum and 2.056 inches maximum
Head Style
double hexagon
Head Height
0.210 inches nominal
Width Between Flats
0.553 inches minimum and 0.564 inches maximum
Grip Diameter
0.3733 inches minimum and 0.3742 inches maximum
Shank Unthreaded Hole Diameter
0.106 inches nominal first hole
Nominal Thread Diameter
0.375 inches
Grip Length
1.615 inches minimum and 1.635 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
Distance From Head Largest Bearing Surface To Shank Hole Center
1.876 inches minimum and 1.908 inches maximum first hole
Material
steel overall
Material Document And Classification
m-107,standard pressed steel co mfr ref single material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
nas 672 assn std 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
202-15520-6-26A Shear Bolt
AIC220-6-26 Shear Bolt
BM55132-6-26 Shear Bolt
C699-6-26 Shear Bolt
EWSB22-6-26 Shear Bolt
VS2521-6F26S Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-487-4892?
The FSCG of the NSN 5306-00-487-4892 is 5306
Does the NSN 5306-00-487-4892 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-487-4892 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 5306-00-487-4892 contain precious materials?
Item does not contain precious metal.
Does NSN 5306-00-487-4892 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 5306-00-487-4892 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Fri, Jun 13, 1969

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