5306-01-204-4185

Find complete technical information, availability, and procurement data for: 5306-01-204-4185
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-204-4185

Item Name Code

04905

Assigment Date

03/26/1985 (41 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.

0.545 inches minimum and 0.575 inches maximum fastener length, hexagon head style, right-hand thread direction, 0.390 inches minimum and 0.440 inches maximum thread 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: 0.390 inches minimum and 0.440 inches maximum
Fastener Length: 0.545 inches minimum and 0.575 inches maximum
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.204 inches maximum
Width Between Flats: 0.492 inches minimum and 0.502 inches maximum
Shoulder Diameter: 0.3115 inches minimum and 0.3120 inches maximum first shoulder
Shoulder Length: 0.375 inches minimum and 0.395 inches maximum first shoulder
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.354 inches minimum and 0.404 inches maximum first hole
Shoulder Shape: round first shoulder
Material: iron alloy 660 overall
Material Document And Classification: ams 5737 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec 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
BACB30PU5D6	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-204-4185?

The FSCG of the NSN 5306-01-204-4185 is 5306

Does the NSN 5306-01-204-4185 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-204-4185 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 5306-01-204-4185 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-204-4185 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 5306-01-204-4185 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Tue, Mar 26, 1985