BACS21Y8R

View detailed technical data, stock status, and sourcing information for: BACS21Y8R
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-687-5689

Item Name Code

18484

Assigment Date

01/01/1963 (63 years ago)

flat fillister turnlock stud head style, 0.298 inches minimum and 0.308 inches maximum diameter, stud assembly stud assembly style, 1520-01-035-0266 helicopter, utility end item identification, 0.752 inches minimum and 0.767 inches maximum distance from engaging member to largest bearing surface of head

Product Characteristics

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

Diameter: 0.298 inches minimum and 0.308 inches maximum
End Item Identification: 1520-01-035-0266 helicopter, utility
Turnlock Stud Head Style: flat fillister
Stud Assembly Style: stud assembly
Distance From Engaging Member To Largest Bearing Surface Of Head: 0.752 inches minimum and 0.767 inches maximum
Eyelet Outside Diameter: 0.244 inches minimum and 0.250 inches maximum
Eyelet Length: 0.322 inches nominal
Material Accommodated Thickness: 0.240 inches minimum and 0.269 inches maximum
Drive Type: cross recess
Stud Head Height: 0.088 inches minimum and 0.098 inches maximum
Material: steel comp 4037 stud
Material: steel ejector spring
Material: steel eyelet
Material Document And Classification: qq-s-640 fed spec single material response eyelet
Material Document And Classification: qq-w-470 fed spec single material response ejector spring
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 2 fed spec single treatment response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5325-00-860-4577	No Name Available	01/01/1960
5325-00-988-0633	No Name Available	12/01/1992

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
100101P3	Turnlock Fastener Stud Assembly
1126004-8	Turnlock Fastener Stud Assembly
26S8	Turnlock Fastener Stud Assembly
26S8-8	Turnlock Fastener Stud Assembly
26S8-8B	Turnlock Fastener Stud Assembly
26S8-8R	Turnlock Fastener Stud Assembly
5325PL1804944	Turnlock Fastener Stud Assembly
7482576P207	Turnlock Fastener Stud Assembly
BACS21EE8R	Turnlock Fastener Stud Assembly
BACS21Y8R	Turnlock Fastener Stud Assembly

FAQs

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

What is the FSCG of the NSN 5325-00-687-5689?

The FSCG of the NSN 5325-00-687-5689 is 5325

Does the NSN 5325-00-687-5689 have a Schedule B code assigned?

Yes, the Schedule B code is 9607190000

Does NSN 5325-00-687-5689 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 5325-00-687-5689 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-687-5689 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 5325-00-687-5689 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963