BM3326-4-6Y

View detailed technical data, stock status, and sourcing information for: BM3326-4-6Y
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-046-0536

Item Name Code

04905

Assigment Date

08/11/1977 (48 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

0.828 inches minimum and 0.858 inches maximum fastener length, double hexagon w/hole head style, 0.443 inches minimum and 0.493 inches maximum thread length, 3a thread class, right-hand thread direction

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: 0.443 inches minimum and 0.493 inches maximum
Fastener Length: 0.828 inches minimum and 0.858 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.290 inches minimum and 0.310 inches maximum
Width Between Flats: 0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter: 0.428 inches minimum and 0.438 inches maximum
Extended Washer Thickness: 0.059 inches minimum and 0.079 inches maximum
Shoulder Diameter: 0.280 inches minimum and 0.281 inches maximum first shoulder
Shoulder Length: 0.365 inches minimum and 0.385 inches maximum first shoulder
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Shoulder Shape: round first shoulder
Material: steel overall
Material Document And Classification: 23-112,fscm 76301 mfr ref single material 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
74328-4-6Y	Shoulder Bolt
BM3326-4-6Y	Shoulder Bolt
MB87-4-6	Shoulder Bolt
S11-1063-4-6	Shoulder Bolt
ST3M607-4-6	Shoulder Bolt
VAL23033-4-6X	Shoulder Bolt
VAL23033-4X6	Shoulder Bolt
VS3061-4-6	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-046-0536?

The FSCG of the NSN 5306-01-046-0536 is 5306

Does the NSN 5306-01-046-0536 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-046-0536 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 5306-01-046-0536 contain precious materials?

Precious metal content is unknown

Does NSN 5306-01-046-0536 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 5306-01-046-0536 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Aug 11, 1977