SS27576-6-74

View detailed technical data, stock status, and sourcing information for: SS27576-6-74
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-469-6080

Item Name Code

15903

Assigment Date

11/16/1999 (26 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. 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. The unthreaded portion is of specific 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. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

right-hand thread direction, crowned hexagon head style, 3a thread class, 0.377 inches minimum and 0.419 inches maximum thread length, 5.164 inches minimum and 5.184 inches maximum fastener length

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: 0.377 inches minimum and 0.419 inches maximum
Fastener Length: 5.164 inches minimum and 5.184 inches maximum
Head Style: crowned hexagon
Head Height: 0.189 inches minimum and 0.204 inches maximum
Width Between Flats: 0.553 inches minimum and 0.564 inches maximum
Grip Diameter: 0.120 inches minimum and 0.166 inches maximum
Shank Unthreaded Hole Diameter: 0.106 inches minimum and 0.116 inches maximum first hole
End Item Identification: hh-3f helicopter
Nominal Thread Diameter: 0.373 inches
Grip Length: 4.625 inches minimum and 4.641 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 11540 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 41.0 rockwell c maximum overall
Hardness Rating: 56.0 rockwell c minimum and 60.0 rockwell c maximum locking feature
Criticality Code Justification: feat
Distance From Head Largest Bearing Surface To Shank Hole Center: 5.059 inches minimum and 5.069 inches maximum first hole
Special Features: for use in critical applications; used as: bolt, self-retaining,impedance type, 95ksi fsu, hex head, 450f; use ms21244 nuts with these bolts
Material: steel comp 302 or steel comp 304 or steel comp 631 spring
Material: steel comp 4340 overall
Material: steel corrosion resisting locking feature
Material Document And Classification: mil-b-83050 mil spec single material response locking feature
Material Document And Classification: mil-s-8844,class i mil spec single material response overall
Material Document And Classification: qq-w-423 fed spec single material response or ams5678 assn std single material response spring
Surface Treatment: cadmium overall
Surface Treatment: passivate locking feature
Surface Treatment: passivate spring
Surface Treatment Document And Classification: ams2501-3 assn std single treatment response overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response locking feature
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
SS27576-6-74	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-469-6080?

The FSCG of the NSN 5306-01-469-6080 is 5306

Does the NSN 5306-01-469-6080 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-469-6080 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 5306-01-469-6080 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-469-6080 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 5306-01-469-6080 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Tue, Nov 16, 1999