5306-01-311-2750

Find complete technical information, availability, and procurement data for: 5306-01-311-2750
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-311-2750

Item Name Code

15903

Assigment Date

11/22/1989 (36 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.

2.111 inches minimum and 2.141 inches maximum fastener length, 0.156 inches minimum and 0.171 inches maximum head height, 3a thread class, 0.413 inches minimum and 0.463 inches maximum thread length, 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: 0.413 inches minimum and 0.463 inches maximum
Fastener Length: 2.111 inches minimum and 2.141 inches maximum
Head Height: 0.156 inches minimum and 0.171 inches maximum
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Locking Feature: strip or patch or pellet threads
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Nominal Thread Diameter: 0.312 inches
Grip Length: 1.678 inches minimum and 1.698 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: plastic polyamide (nylon) locking feature
Material: steel comp e4340 or steel comp 8740 fastener
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response fastener
Surface Treatment: cadmium and chromate fastener
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 fed spec single treatment response fastener
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas6205 professional/industrial association 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
NAS6205L27	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-311-2750?

The FSCG of the NSN 5306-01-311-2750 is 5306

Does the NSN 5306-01-311-2750 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-311-2750 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 5306-01-311-2750 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-311-2750 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 5306-01-311-2750 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Wed, Nov 22, 1989