NAS656V57D

View detailed technical data, stock status, and sourcing information for: NAS656V57D
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-527-5484

Item Name Code

27851

Assigment Date

02/08/2005 (21 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

3a thread class, right-hand thread direction, hexagon head style, 0.366 inches minimum and 0.416 inches maximum thread length, 9.954 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
Thread Length: 0.366 inches minimum and 0.416 inches maximum
Fastener Length: 9.954 inches nominal
Head Style: hexagon
Head Height: 0.188 inches minimum and 0.203 inches maximum
Width Between Flats: 0.553 inches minimum and 0.564 inches maximum
Grip Diameter: 0.3740 inches minimum and 0.3745 inches maximum
Shank Unthreaded Hole Diameter: 0.116 inches minimum first hole
End Item Identification: e fwd fuselag
Nominal Thread Diameter: 0.375 inches
Grip Length: 3.563 inches nominal
Thread Quantity Per Inch: 24
Distance From Head Largest Bearing Surface To Shank Hole Center: 3.123 inches minimum and 3.173 inches maximum first hole
Surface Finish: 16.0 microinches threads
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Part Name Assigned By Controlling Agency: bolt,close tolerance,hexagon head,titanium,short thread
Material: titanium alloy overall
Material Document And Classification: nas 621 assn std single material response or ams 4928 assn std single material response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas656 professional/industrial association standard

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
NAS656V57D	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-527-5484?

The FSCG of the NSN 5306-01-527-5484 is 5306

Does the NSN 5306-01-527-5484 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5306-01-527-5484 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 5306-01-527-5484 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-527-5484 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 5306-01-527-5484 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Tue, Feb 8, 2005