HLT371-8

View detailed technical data, stock status, and sourcing information for: HLT371-8
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5320 Rivets

National Stock Number

5320-00-032-4656

Item Name Code

67166

Assigment Date

10/24/1972 (53 years ago)

A soft metal or nonmetal sleeve, designed to mate with a pin-rivet. It may include an external wrenching facility which breaks off at a perdetermined torque to form a head.

3b thread class, 0.495 inches minimum and 0.505 inches maximum collar outside diameter, right-hand thread direction, 0.640 inches minimum and 0.660 inches maximum collar overall height, black identification code color

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Identification Code Color: black
Collar Outside Diameter: 0.495 inches minimum and 0.505 inches maximum
Collar Overall Height: 0.640 inches minimum and 0.660 inches maximum
Lubrication: cetyl alcohol
Collar Inside Diameter: 0.292 inches nominal
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Heat Treatment: t-6 solution heat treated collar
Material: aluminum alloy 2024 collar
Material: steel comp 630 or steel comp 631 washer
Material Document And Classification: ams 5643 assn std 1st material response or ams 5528 assn std 2nd material response washer
Material Document And Classification: qq-a-430 fed spec single material response or qq-a-225/6 fed spec single material response collar
Surface Treatment: anodize collar
Surface Treatment: cadmium and chromate washer
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response collar
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response washer
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
GN512FD4	Pin-Rivet Collar
HLT371-8	Pin-Rivet Collar
HLT371-8AW	Pin-Rivet Collar

FAQs

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

What is the FSCG of the NSN 5320-00-032-4656?

The FSCG of the NSN 5320-00-032-4656 is 5320

Does the NSN 5320-00-032-4656 have a Schedule B code assigned?

Yes, the Schedule B code is 7616103000

Does NSN 5320-00-032-4656 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 5320-00-032-4656 contain precious materials?

Precious metal content is unknown

Does NSN 5320-00-032-4656 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 5320-00-032-4656 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Tue, Oct 24, 1972