SLB255-12D24

View detailed technical data, stock status, and sourcing information for: SLB255-12D24
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-477-5583

Item Name Code

27851

Assigment Date

08/14/2000 (26 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.

spline extended washer head style, 1.537 inches minimum and 1.567 inches maximum fastener length, 3a thread class, 1.052 inches nominal 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: 1.052 inches nominal
Fastener Length: 1.537 inches minimum and 1.567 inches maximum
Head Style: spline extended washer
Head Height: 0.600 inches nominal
Extended Washer Diameter: 1.389 inches nominal
Extended Washer Thickness: 0.198 inches minimum and 0.218 inches maximum
Grip Diameter: 0.7480 inches minimum and 0.7490 inches maximum
Head Minor Diameter: 0.797 inches minimum and 0.812 inches maximum
End Item Identification: f18 e/f
Nominal Thread Diameter: 0.750 inches
Grip Length: 1.552 inches nominal
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 220000 pounds per square inch
Criticality Code Justification: agav
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 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
11829-12D24	Close Tolerance Bolt
122897-12D24	Close Tolerance Bolt
AIC763-12D24	Close Tolerance Bolt
GS1032-12D24	Close Tolerance Bolt
HP7753-12D24	Close Tolerance Bolt
MB15612D24	Close Tolerance Bolt
PBF1267-12D24	Close Tolerance Bolt
S343-12D24	Close Tolerance Bolt
SLB255-12D24	Close Tolerance Bolt
ST3M753-12D24	Close Tolerance Bolt
VFK600-12D24	Close Tolerance Bolt
VS3190-12D24	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-477-5583?

The FSCG of the NSN 5306-01-477-5583 is 5306

Does the NSN 5306-01-477-5583 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-477-5583 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 5306-01-477-5583 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-477-5583 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 5306-01-477-5583 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Mon, Aug 14, 2000