NSN CR3556

0.620 inches maximum fastener length, 0.048 inches nominal head height, 0.188 inches minimum and 0.250 inches maximum grip length, flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer) head style, 120.0 degrees nominal countersink angle.

NSN 5320-01-731-3780 Datasheet

(NSN) National Stock Number

5320-01-731-3780

(FSG) Federal Supply Group

53 - Hardware and Abrasives

(FSC) Federal Supply Classification

5320 - Rivets

(NIIN) National Item Identification Number

01-731-3780

Requires Demilitarization

Yes

(INC) Item Name Code

00864

Date

Thu, Jul 3, 2025

Countersink Angle

120.0 degrees nominal

Fastener Length

0.620 inches maximum

Grip Length

0.188 inches minimum and 0.250 inches maximum

Head Height

0.048 inches nominal

Head Style

flush (flat) countersunk (included angle - less than 135 deg w or w/o chamfer)

Head Major Diameter

0.346 inches minimum and 0.354 inches maximum

Identification Code Color

silver

Material Document And Classification

ams 5657 aerospace material spec std single material response stem

Material Document And Classification

ams 5731 aerospace material spec std single material response collar

Material Document And Classification

qq-n-281 fed spec single material response sleeve

Material

iron alloy 660 collar

Material

nickel alloy 400 sleeve

Part Name Assigned By Controlling Agency

rivet 120 degree flush head oversize

Material

steel comp 632 stem

Shank Diameter

0.200 inches minimum and 0.204 inches maximum

Shank Style

self-plugging high clinch shank

Special Features

silver colored driving anvil identifies oversize diameter rivets

Surface Treatment Document And Classification

ams 2700 international std/spec single treatment response collar

Surface Treatment

passivate collar

Identification

Demilitarization Code

A - 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.

Precious Metals Indicator

A - Item does not contain precious metal.

Hazardous Metals Indicator

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0000864

Cross Reference

CAGE Codes

11815

Sps Technologies, Llc Dba Cherry Aerospace Div Div Cherry Aerospace

U.s./canadian manufacturers

Freight Information

Questions & Answers

1. What is the FSCG of the NSN 5320-01-731-3780?

   The FSCG of the NSN 5320-01-731-3780 is 5320

2. Does NSN 5320-01-731-3780 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.

3. Does NSN 5320-01-731-3780 contain precious materials?

   Item does not contain precious metal.

4. Does NSN 5320-01-731-3780 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.

5. When the NSN 5320-01-731-3780 was assigned to the Federal Catalog?

   It was assigned 1 year ago, on Thu, Jul 3, 2025