MS27576-4-21R

View detailed technical data, stock status, and sourcing information for: MS27576-4-21R
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-687-5224

Item Name Code

27851

Assigment Date

04/06/2020 (6 years ago)

A hand tool with a high speed wheel, designed for grinding, cutting and polishing. It can be powered by an electric motor or compressed air. It can be fitted with grinding wheel, abrasive disc or a thinner cut-off disc.

crowned hexagon head style, 3a thread class, 0.126 inches minimum and 0.141 inches maximum head height, right-hand thread direction, 1.741 inches nominal 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
Fastener Length: 1.741 inches nominal
Head Style: crowned hexagon
Head Height: 0.126 inches minimum and 0.141 inches maximum
Width Between Flats: 0.488 inches minimum
Grip Diameter: 0.2483 inches minimum and 0.2492 inches maximum
Nominal Thread Diameter: 0.2500 inches
Grip Length: 1.312 inches minimum and 1.328 inches maximum
Thread Quantity Per Inch: 28
Special Features: bolt ultimate tensile strength lbf min: 4,680. impedance type: ring lock. heat treatment: ams2759 to rockwell c36 to c41
Material: steel overall
Material Document And Classification: as-6415 national std all material responses or ams6484 national std all material responses or ams6349 national std all material responses or ams6382 national std all material responses or ams6322 national std all material responses or ams6325 national std all material responses or ams6327 national std all material responses or ams-s-6758 national std all material responses or ams6448 national std all material responses overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams-qq-p-416, type ii, class 2 national std all treatment responses 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
MS27576-4-21R	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-687-5224?

The FSCG of the NSN 5306-01-687-5224 is 5306

Does the NSN 5306-01-687-5224 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-687-5224 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 5306-01-687-5224 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-687-5224 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 5306-01-687-5224 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Mon, Apr 6, 2020