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TL521-4-9 Pin-Rivet

5320-00-623-1817

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Official Item Classification

Name
Pin-Rivet
Part Number
TL521-4-9
(NSN) National Stock Number
5320-00-623-1817
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5320 Rivets
(INC) Item Name Code
67165
(FIIG) Federal Item Identification Guide
A528U0
Date
03/01/1975 (51 years ago)

right-hand thread direction, 0.8750 inches minimum and 0.9000 inches maximum fastener length, 3a thread class, 0.2766 inches nominal shank diameter, 0.0580 inches minimum and 0.0700 inches maximum head height

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Fastener Length

0.8750 inches minimum and 0.9000 inches maximum

Head Height

0.0580 inches minimum and 0.0700 inches maximum

Shank Diameter

0.2766 inches nominal

Shank Style

pin-rivet, tapered, threaded

Head Major Diameter

0.3920 inches minimum and 0.4030 inches maximum

Tip Diameter

0.2668 inches nominal

Lubrication

cetyl alcohol, spec 305, hi-shear corp

Grip Length

0.5520 inches minimum and 0.5670 inches maximum

Thread Quantity Per Inch

24

Nominal Thread Size

0.3125 inches

Shear Strength

108000 single pounds per square inch

Material

steel comp 8740 or steel comp e4340 overall

Material Document And Classification

mil-s-6049 mil spec single material response or mil-s-5000 mil spec single material response overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416,ty 2,cl 2 fed spec single treatment response overall

Thread Series Designator

unjf

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

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.

Source of Supply Code

S9I

Pseudo Item Name Code

0067165

Related Hardware Products

Part Number Description
TL521-4-9 Pin-Rivet

Frequently Asked Questions

What is the FSCG of the NSN 5320-00-623-1817?
The FSCG of the NSN 5320-00-623-1817 is 5320
Does the NSN 5320-00-623-1817 have a Schedule B code assigned?
Yes, the Schedule B code is 7318230000
Does NSN 5320-00-623-1817 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 5320-00-623-1817 contain precious materials?
Item does not contain precious metal.
Does NSN 5320-00-623-1817 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 5320-00-623-1817 was assigned to the Federal Catalog?
It was assigned 51 years ago, on Sat, Mar 1, 1975