A78325-6H-5P

View detailed technical data, stock status, and sourcing information for: A78325-6H-5P
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-361-3550

Item Name Code

27851

Assigment Date

07/15/1992 (34 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, 0.634 inches minimum and 0.684 inches maximum thread length, right-hand thread direction, spline extended washer head style, 0.956 inches minimum and 0.986 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: 0.634 inches minimum and 0.684 inches maximum
Fastener Length: 0.956 inches minimum and 0.986 inches maximum
Head Style: spline extended washer
Head Height: 0.327 inches minimum and 0.347 inches maximum
Extended Washer Diameter: 0.691 inches minimum and 0.701 inches maximum
Extended Washer Thickness: 0.044 inches minimum and 0.064 inches maximum
Hole Diameter: 0.230 inches minimum and 0.270 inches maximum
Grip Diameter: 0.3735 inches minimum and 0.3745 inches maximum
Head Minor Diameter: 0.448 inches minimum and 0.453 inches maximum
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.302 inches minimum and 0.322 inches maximum
Hole Quantity: 4
Hole Type: drilled
Thread Quantity Per Inch: 24
Hole Configuration Style: spline
Material: nickel alloy 718 overall
Material Document And Classification: ams5662 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl2 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
A78325-6H-5P	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-361-3550?

The FSCG of the NSN 5306-01-361-3550 is 5306

Does the NSN 5306-01-361-3550 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5306-01-361-3550 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 5306-01-361-3550 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-361-3550 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 5306-01-361-3550 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Wed, Jul 15, 1992