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5306-01-308-4811

Find complete technical information, availability, and procurement data for: 5306-01-308-4811

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5306-01-308-4811
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-01-308-4811
Item Name Code
27851
Assigment Date
09/29/1989 (36 years ago)

A screw, machine or screw, cap, socket head whose unthreaded portion is of specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001 in.) (0.025 mm) or less of a specific diameter for items (1.000 in.) (25 mm) or less in diameter. Items over (1.000 in.) (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015 in.) (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001 in.) (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. The head is designed to be held or driven with an inserted driver. It is not designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads.

flat countersunk head style, 3a thread class, 0.469 inches nominal thread length, 1.094 inches nominal fastener 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
0.469 inches nominal
Fastener Length
1.094 inches nominal
Head Style
flat countersunk
Head Diameter
0.574 inches minimum and 0.637 inches maximum
Grip Diameter
0.311 inches minimum and 0.312 inches maximum
End Item Identification
joint stars target radar sys
Nominal Thread Diameter
0.3125 inches
Grip Length
0.615 inches minimum and 0.635 inches maximum
Thread Quantity Per Inch
24
Countersink Angle
99.0 degrees minimum and 101.0 degrees maximum
Material
steel overall
Material Document And Classification
mil-s-5000/4340 mil spec single material response or mil-s-6049/8740 mil spec single material response or ams6322 assn std single material response overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,type ii,class 2 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
BACB30LU5-10 Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-308-4811?
The FSCG of the NSN 5306-01-308-4811 is 5306
Does the NSN 5306-01-308-4811 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-01-308-4811 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 5306-01-308-4811 contain precious materials?
Precious metal content is unknown
Does NSN 5306-01-308-4811 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 5306-01-308-4811 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Fri, Sep 29, 1989

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