Keyed Lock Ring

Model / MPN: 28903-12 | NSN: 5365-00-726-4010

A locking device with two keys spaced approximately 180 degrees center to center and protruding from the seating surface of the ring. When installed the keys mate with companion keyways in the external threads of screw thread inserts, locked-in studs, or similar type items, and cut through sufficient threads of the parent material tapped hole to provide a positive lock between the threaded bodies.

Product Details

NATO Stock Number

5365-00-726-4010

Sold in multiples of

1 EA

DEMIL

Inside Diameter

Between 0.404 inches and 0.406 inches

Key Length

Between 0.177 inches and 0.187 inches

Overall Height

Between 0.047 inches and 0.052 inches

Key Width

Between 0.086 inches and 0.091 inches

Overall Outside Diameter

Between 0.495 inches and 0.500 inches

Material

Steel, corrosion resisting, any acceptable

Material

Steel, corrosion resisting, any acceptable

Surface Treatment

Immunized nitric acid dip

28903 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE4A619T577L	Ring, Lock, Keyed	58	EA	05/06/2019

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

28903-12 Cross Reference

69824-9
7420-8
701-8
KR8-15