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5306-00-001-4807

Close Tolerance Bolt

Find complete technical information, availability, and procurement data for NSN 5306-00-001-4807 All details are based on official government and industry records to support accurate and compliant procurement.

5306-00-001-4807
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-001-4807
Item Name Code
27851
Assigment Date
09/27/1972 (53 years ago)

An externally threaded fastener whose unthreaded portion is of a specified grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten-thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (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 not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. For items having close tolerance, and fabricated from material having 160,000 pounds per square inch (1100 megapascals) minimum tensile strength, see bolt, shear. For items fabricated from material having less than 160,000 pounds per square inch (1100 megapascals) minimum tensile strength and not having a close tolerance, see bolt, machine.

dished hexagon head style, right-hand thread direction, 3a thread class, 0.311 inches minimum and 0.378 inches maximum thread length, 1.853 inches minimum and 1.873 inches maximum fastener length

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.311 inches minimum and 0.378 inches maximum
Fastener Length
1.853 inches minimum and 1.873 inches maximum
Head Style
dished hexagon
Head Height
0.157 inches minimum and 0.172 inches maximum
Width Between Flats
0.492 inches minimum and 0.502 inches maximum
Grip Diameter
0.3108 inches minimum and 0.3117 inches maximum
Shank Unthreaded Hole Diameter
0.076 inches minimum and 0.086 inches maximum first hole
Nominal Thread Diameter
0.312 inches
Grip Length
1.375 inches minimum and 1.391 inches maximum
Thread Quantity Per Inch
24
Hardness Rating
36.0 rockwell c minimum and 41.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center
1.738 inches minimum and 1.768 inches maximum first hole
Surface Finish
63.0 microinches bearing surface of head
Surface Finish
63.0 microinches grip
Special Features
w/retaining element on shank
Material
steel comp e4340 or steel comp 4340 or steel comp 8740 or steel comp 4130 or steel comp 6150 overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416 ty 2 cl 2 fed spec all treatment responses overall
Thread Series Designator
unjf

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number Name
106467-5-22 Close Tolerance Bolt
AS194-5-22 Close Tolerance Bolt
CA4510-5-22 Close Tolerance Bolt
MS27576-5-22 Close Tolerance Bolt
MS27576-5-22R Close Tolerance Bolt

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
1 - Full descriptive item identification
Demilitarization
A - 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.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A003B0
Precious Metals Indicator
U - Precious metal content is unknown
Pseudo Item Name Code
0027851
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
7318152000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
KZ
National Motor Freight Classification Item Number
093486
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
48950
National Motor Freight Class Rating
W - Rating variable
Water Commodity
573 - Bolts or nuts (iron or steel),(less than 35 feet)
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
BZ -
National Motor Freight Description
bolts,nuts or screws, noi (sub 3)

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 5306-00-001-4807

What is the FSCG of the NSN 5306-00-001-4807?
The FSCG of the NSN 5306-00-001-4807 is 5306
Does the NSN 5306-00-001-4807 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-001-4807 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 5306-00-001-4807 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-001-4807 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 5306-00-001-4807 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Wed, Sep 27, 1972

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