BACS21X11AR

View detailed technical data, stock status, and sourcing information for: BACS21X11AR
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-570-0499

Item Name Code

18484

Assigment Date

12/01/1974 (51 years ago)

washer securing device type, 0.723 inches minimum and 0.733 inches maximum distance from engaging member to largest bearing surface of head, stud head turnlock stud head style, 0.377 inches minimum and 0.384 inches maximum diameter, 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.

Diameter: 0.377 inches minimum and 0.384 inches maximum
Securing Device Type: washer
Turnlock Stud Head Style: stud head
Stud Assembly Style: stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head: 0.723 inches minimum and 0.733 inches maximum
Eyelet Outside Diameter: 0.341 inches minimum and 0.348 inches maximum
Eyelet Length: 0.472 inches nominal
Material Accommodated Thickness: 0.351 inches minimum and 0.380 inches maximum
Drive Type: cross recess
Stud Head Height: 0.092 inches nominal
Material: copper alloy eyelet
Material: steel ejector spring
Material: steel pin
Material: steel stud
Material Document And Classification: ams 5731 assn std 1st material response or ams 5525 assn std 2nd material response stud
Surface Treatment: cadmium and chromate eyelet
Surface Treatment: cadmium and chromate stud
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response eyelet
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec single treatment response stud

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
40S119-11-1AA	Turnlock Fastener Stud Assembly
BACS21X11AR	Turnlock Fastener Stud Assembly

FAQs

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

What is the FSCG of the NSN 5325-00-570-0499?

The FSCG of the NSN 5325-00-570-0499 is 5325

Does the NSN 5325-00-570-0499 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-00-570-0499 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 5325-00-570-0499 contain precious materials?

Precious metal content is unknown

Does NSN 5325-00-570-0499 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 5325-00-570-0499 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Sun, Dec 1, 1974