{"product_id":"vintage-naval-compartment-identification-plate","title":"Naval Compartment Identification Plate","description":"\u003cp data-start=\"0\" data-end=\"119\"\u003eThis is a naval compartment identification plate, used aboard U.S. Navy ships to designate specific spaces.\u003c\/p\u003e\n\u003cp data-start=\"0\" data-end=\"119\"\u003e4.25\" x 2.25\"\u003c\/p\u003e\n\u003ch3 data-start=\"121\" data-end=\"156\"\u003eBreakdown of the inscription:\u003c\/h3\u003e\n\u003cul data-start=\"158\" data-end=\"1046\"\u003e\n\u003cli data-start=\"158\" data-end=\"441\"\u003e\n\u003cp data-start=\"160\" data-end=\"202\"\u003e\"01-47-1\" → Compartment designation:\u003c\/p\u003e\n\u003cul data-start=\"205\" data-end=\"441\"\u003e\n\u003cli data-start=\"205\" data-end=\"249\"\u003e\n\u003cp data-start=\"207\" data-end=\"249\"\u003e01 = first deck above the main deck.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"252\" data-end=\"324\"\u003e\n\u003cp data-start=\"254\" data-end=\"324\"\u003e47 = at or near frame 47 (the ship’s structural frame location).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"327\" data-end=\"441\"\u003e\n\u003cp data-start=\"329\" data-end=\"441\"\u003e1 = first compartment from the ship’s centerline (odd numbers = starboard side, even numbers = port side).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"443\" data-end=\"666\"\u003e\n\u003cp data-start=\"445\" data-end=\"666\"\u003e\"40MM AMM.\" → This space was designated for 40mm ammunition storage (ammo magazine). The 40mm Bofors gun was a widely used anti-aircraft and surface-defense weapon in the U.S. Navy during World War II and after.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"668\" data-end=\"1046\"\u003e\n\u003cp data-start=\"670\" data-end=\"745\"\u003e\"A-0101-LM\" → This is the Navy’s compartment classification code:\u003c\/p\u003e\n\u003cul data-start=\"748\" data-end=\"1046\"\u003e\n\u003cli data-start=\"748\" data-end=\"813\"\u003e\n\u003cp data-start=\"750\" data-end=\"813\"\u003eA = Ship’s ammunition (magazine) type of compartment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"816\" data-end=\"840\"\u003e\n\u003cp data-start=\"818\" data-end=\"840\"\u003e01 = deck level.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"843\" data-end=\"888\"\u003e\n\u003cp data-start=\"845\" data-end=\"888\"\u003e01 = frame or longitudinal reference.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"891\" data-end=\"992\"\u003e\n\u003cp data-start=\"893\" data-end=\"992\"\u003eL = compartment use (Living, Ammunition, or in this case, specific to classification system).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"995\" data-end=\"1046\"\u003e\n\u003cp data-start=\"997\" data-end=\"1046\"\u003eM = magazine (specifically for ammunition).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1048\" data-end=\"1062\"\u003ePurpose:\u003c\/h3\u003e\n\u003cp data-start=\"1063\" data-end=\"1331\"\u003eThis plate would have been mounted on the bulkhead or hatch of a magazine where 40mm ammunition was stored. These markings helped sailors and damage control parties quickly identify what was in each compartment—critical during emergencies like fires or flooding.\u003c\/p\u003e\n\u003cp data-start=\"1333\" data-end=\"1445\"\u003eSo, this is a WWII-era (or slightly later) U.S. Navy ship’s 40mm ammunition magazine identification plate.\u003c\/p\u003e","brand":"Maupin","offers":[{"title":"Default Title","offer_id":47262650826967,"sku":null,"price":17.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1501\/8628\/files\/104_4935.jpg?v=1759864324","url":"https:\/\/annapolismaritimeantiques.com\/en-au\/products\/vintage-naval-compartment-identification-plate","provider":"Annapolis Maritime Antiques","version":"1.0","type":"link"}