4188-1

View detailed technical data, stock status, and sourcing information for: 4188-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-810-8509

Item Name Code

18484

Assigment Date

01/01/1962 (64 years ago)

0.244 inches minimum and 0.250 inches maximum eyelet outside diameter, 0.662 inches minimum and 0.677 inches maximum distance from engaging member to largest bearing surface of head, flat fillister wing turnlock stud head style, 0.700 inches minimum and 0.740 inches maximum head length, stud assembly stud assembly style

Product Characteristics

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

Head Length: 0.700 inches minimum and 0.740 inches maximum
Turnlock Stud Head Style: flat fillister wing
Stud Assembly Style: stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head: 0.662 inches minimum and 0.677 inches maximum
Eyelet Outside Diameter: 0.244 inches minimum and 0.250 inches maximum
Eyelet Length: 0.322 inches nominal
Material Accommodated Thickness: 0.120 inches minimum and 0.539 inches maximum
Stud Head Height: 0.480 inches minimum and 0.520 inches maximum
Material: steel comp 302 ejector spring
Material: steel comp 302 pin
Material: steel comp 302 stud
Material: steel comp 304 eyelet
Surface Treatment: passivate overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5325-00-721-8887	No Name Available	01/01/1960
5325-00-899-0348	No Name Available	01/01/1960

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
2600-5SW	Turnlock Fastener Stud Assembly
4188-1	Turnlock Fastener Stud Assembly
721632-155	Turnlock Fastener Stud Assembly
9175149	Turnlock Fastener Stud Assembly
R329854P7	Turnlock Fastener Stud Assembly

FAQs

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

What is the FSCG of the NSN 5325-00-810-8509?

The FSCG of the NSN 5325-00-810-8509 is 5325

Does the NSN 5325-00-810-8509 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-00-810-8509 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 5325-00-810-8509 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-810-8509 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 5325-00-810-8509 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962