Diplomat Tentative name Rubber 5 16 brass cap Thicken call Kakadu

JMF Company 5/16 in. Compression Brass Cap - Ace Hardware

Brass M10 x 1 Metric Female Blanking cap

Hillman 5/16-in x 18 Brass Cap Nut (15-Count) in the Specialty Nuts department at Lowes.com

Lowbrow small solid Brass Gas or Oil Cap Vented 1-5/16"-12 harley chopper USA | eBay

G 1/4'' Brass End cap 16 Bar [5 Pieces] | Tameson.co.uk

AVC410 5/16" R-410A BRASS CAP (10) - Evomart

Brass Compression Caps - 5/16" Tube OD

Parker 640F 640F-5 flanged cap nut 5/16" | Wolseley

CPS AVC410 - R-410A 5/16" (1/2"-20 UNF) Brass Cap | TEquipment

LTWFITTING 5/16 -Inch Brass Compression Cap Stop Valve Cap,Brass Compression Fitting(Pack of 10) : Amazon.co.uk: DIY & Tools

PATIKIL 5/16" Brass Flare Cap, 9/16-18UNF Female Thread 5Pcs SAE Flare Fitting 45 Degree Hex Pipe Fittings for Air Conditioner Refrigeration : Amazon.co.uk: DIY & Tools

PATIKIL 5/16" Brass Flare Cap, 9/16-18UNF Female Thread 10Pcs SAE Flare Fitting 45 Degree Hex Pipe Fittings for Air Conditioner Refrigeration : Amazon.co.uk: DIY & Tools

PATIKIL 5/16" Brass Flare Cap, 9/16-18UNF Female Thread 10Pcs SAE Flare Fitting 45 Degree Hex Pipe Fittings for Air Conditioner Refrigeration : Amazon.co.uk: DIY & Tools

LTWFITTING 5/16 in. Brass Compression Cap Fitting (10-Pack) HF61CAP510 - The Home Depot

Ironwerks Designs 5/16 in. Brass Compression Valve Cap (5-Pack) BFC.5-16.5 - The Home Depot

5/16"-18 x 2" Cap Screw, Brass - Hi-Line Inc.

LASCO 17-4021 5/16-Inch Brass Flare Cap : Amazon.co.uk: DIY & Tools

Ironwerks Designs 5/16 in. Brass Compression Valve Cap (10-Pack) BFC.5-16.10 - The Home Depot

Blanking End Cap 1/4" or 5/16"

8x3.5mm 5/16x9/64 Raw Brass Round Cylinder Roll Industrial Design 1289R - Etsy UK

British Made 5/16" To 5/16" Brass Compression Fitting (16) - Huddersfield Gas

5/16" Brass Flared End Cap, Brass Flared Tube Fitting (Pack of 50) : Amazon.co.uk: DIY & Tools