5320-01-221-7256

Find complete technical information, availability, and procurement data for: 5320-01-221-7256
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5320 Rivets

National Stock Number

5320-01-221-7256

Item Name Code

67165

Assigment Date

12/03/1985 (40 years ago)

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque.

crown coutersunk greater than 135 degrees head style, 0.598 inches minimum and 0.618 inches maximum fastener length, 0.0947 inches minimum and 0.0967 inches maximum width between flats, 3a thread class, 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
Fastener Length: 0.598 inches minimum and 0.618 inches maximum
Head Style: crown coutersunk greater than 135 degrees
Width Between Flats: 0.0947 inches minimum and 0.0967 inches maximum
Shank Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Shank Style: pin-rivet, straight, threaded
Head Major Diameter: 0.401 inches nominal
Lubrication: cetyl alcohol
Grip Length: 0.189 inches minimum and 0.250 inches maximum
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Shear Strength: 108000 single pounds per square inch
Countersink Angle: 100.0 degrees nominal
Material: steel comp e4340 or steel comp 4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas4466 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
NAS4466S08-04P	Pin-Rivet

FAQs

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

What is the FSCG of the NSN 5320-01-221-7256?

The FSCG of the NSN 5320-01-221-7256 is 5320

Does the NSN 5320-01-221-7256 have a Schedule B code assigned?

Yes, the Schedule B code is 7318230000

Does NSN 5320-01-221-7256 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 5320-01-221-7256 contain precious materials?

Item does not contain precious metal.

Does NSN 5320-01-221-7256 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 5320-01-221-7256 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Tue, Dec 3, 1985