MD Cross Reference

The fitting is new with protective caps.
The size provided is from the protective caps.
The large fitting protective cap is 20

The mating surface is flat
The threads are separated between the connection threads and the o-ring, washer and nut (tightening threads)
The nut is about 2″
The smaller fitting protective is 16
The mating surface is tapered. […]

Information from the tag:
Part No: 508569631025
Date 0906
Desc: MTR 5/8 - 3/4 SR DR 10G 4W2B
Meter ID Number
Flow:
Low 098.8
Mid 100.3
High 099.3

These positive displacement magnetic drive Sealed Register (SR®)
meters feature bronze maincases and a unique tamper-proof design
that prevents unauthorized removal of the internally locked register.
See it here. on the company website for more information […]

A242408LP Hoffman Enclosures, Wall-Mount Single-Door Industrial Enclosure
Manufacturer: HOFFMAN ENCLOSURES
Part number: A242408LP

• Wall-Mount Single-Door Industrial Enclosure
• NEMA Type: 12, 13
• Enclosure Material: Steel
• External Height: 24″
• External Width: 24″
• External Depth: 8″
Approval Bodies: UL, CSA 96F4605
NEW, never used, in the original Hoffman shipping box
Contractor price is approximately $378 at Elliot. MSRP is […]

Manufactured by Cooper Crouse-Hinds
BUSHED NIPPLE: BUSHED
THREADED MALE/HEX HEAD INSTALLATION
DIE CAST ZINC
TRADE SIZE 1/2 INCH

UL Listed 862G
APPROVAL UL, CSA
USED ON RIGID CONDUIT/IMC
CROUSE-HINDS[R] BRAND
Manufacturer Part Number: # 50D
STANDARD PACKAGE 1000
See it here for $111.97 per 1000 (opens in new window)
This sale is for a box of 100.
NEW in BOX. Box was opened for […]

Outer Bearing is stamped with CU3497-1544216
Box is printed with
M
ETER Torino, Italy - CU3497
Inside diameter is roughly 50 mm (1.9 inch)
Outside diameter is roughly 90 mm (3.5+ inch)
Width is roughly 20 mm (.75+inch)
Measurements are approximate

Honestly, I’ve researched bearings until I am nearly blind.
I would guess they are cup bearings, open. There are 15 […]