155B7798-1

View detailed technical data, stock status, and sourcing information for: 155B7798-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-173-7281

Item Name Code

06675

Assigment Date

03/08/1984 (42 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

2a thread class, right-hand thread direction, 1.590 inches minimum and 1.650 inches maximum thread length, hexagon head style, 4.350 inches minimum and 4.410 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: 2a
Thread Direction: right-hand
Thread Length: 1.590 inches minimum and 1.650 inches maximum
Fastener Length: 4.350 inches minimum and 4.410 inches maximum
Head Style: hexagon
Nominal Thread Diameter: 1.125 inches
Thread Quantity Per Inch: 8
Criticality Code Justification: zzzy
Material: steel corrosion resisting overall
Thread Series Designator: unc
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
114D2332-4	Externally Relieved Body Bolt
155B7798-1	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-173-7281?

The FSCG of the NSN 5306-01-173-7281 is 5306

Does the NSN 5306-01-173-7281 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-173-7281 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 5306-01-173-7281 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-173-7281 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 5306-01-173-7281 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Mar 8, 1984