All Loki Research reusable graphite nozzles are sold standard with a smooth unpolished surface finish. All 54mm motor cases and bulkheads are plated with a Type III Hardcoat, Class 2 Blue protective finish. IMPORTANT Any 54mm motor ordered may have a different Commercial nozzle or Experimental (EX) nozzle size substituted for the difference in price for the sizes swapped. You need to state these changes and provide a throat size in the Comment Box at checkout. EX throat size suggestions may be found on the Tech Page.

Item	Class	Case or Nozzle length	Est. Total Impulse	Cost	Qty.
54mm 4000 Ns Complete Motor	L	43.75"	4800+ Ns	$413.00
54mm 2800 Ns Complete Motor "Combo"	K/L	28.525"	2800 Ns	$472.00
54mm 2800 Ns Complete Motor "Standard"	K/L	28.525"	2800 Ns	$366.00
54mm 2800 Ns Complete Motor "Extended"	K/L	28.525	2800 Ns	$309.00
54mm-2000 Ns Complete motor	K	19.375"	2000 Ns	$313.00
54mm-1600 Ns Complete Experimental motor.	K	15.875"	1600 Ns	$295.00
54mm 1200 Ns Complete Motor	J	12.875"	1200 Ns	$282.00
54mm-950 Ns Complete Experimental motor.	J	9.850"	950 Ns	$259.00
54mm 4000 Ns - case with external thrust ring only	L	43.75"	4800+ Ns	$307.00
54mm 2800 Ns - case with external thrust ring only	K/L	28.525"	2800 Ns	$203.00
54mm 2000 Ns - case with external thrust ring only	K	19.375"	2000 Ns	$152.00
54mm 1600 Ns - case with external thrust ring only	K	15.875"	1600 Ns	$139.00
54mm 1200 Ns - case with external thrust ring only	J	12.875"	1200 Ns	$126.00
54mm 950 Ns - case with external thrust ring only	J	9.850"	950 Ns	$103.00
54mm Extended Bulkhead Kit, includes one of the following - 54mm Extended Bulkhead, 2-turn Internal Retaining Ring, Modified Snap Ring				$106.00
54mm Extended Bulkhead. Smoke well - 1.875" deep by 1" wide (behind snap ring) with 1/4-20 thread attachment point on top.		.560" (internal)		$93.00
54mm Standard Bulkhead - Smoke well is 1.25" deep by 1" wide with 1/4-20 thread attachment point and thumb screw on top.		.70" (internal)		$58.00
NEW! - 54mm Experimental Bulkhead - Smoke well is 1.25" deep by 1" wide with 1/4" NPT flared threads for pressure transducer attachment.		.70" (internal)		$63.00	TEMPORARILY OUT OF STOCK
54mm Single Use Composite Nozzle with Graphite throat insert. Click for more details.		.725" (internal)		$95.00
54mm #43 thru #56 Nozzle - Please specify nozzle number or throat size or a specific ID (0.660"~0.875") in the comments section when ordering.		1.70" (internal)		$88.00
54mm #42 Standard Commercial Nozzle for use with 54/2800 commercial hardware and reloads.		1.70" (internal)		$80.00
54mm #30 thru #41 Nozzle - Specify nozzle number or throat size ID (0.460"~0.650") in the comment box at checkout.		1.70" (internal)		$86.00
54mm #29 Standard Commercial Nozzle for use with 54/2000 commercial hardware and reloads.		1.70" (internal)		$78.00
54mm #25 thru #28 Nozzle - Specify nozzle number or throat size (0.380"-0.445") in the comment bot at checkout.		1.70" (internal)		$80.00
54mm #24 Standard Commercial Nozzle for use with 54/1200 commercial hardware and reloads.		1.70" (internal)		$73.00
54mm #20 thru #23 Nozzle - Specify nozzle number or throat size (0.300"-0.370") in the comment box at checkout.		1.70" (internal)		$80.00
54mm #19 Standard Nozzle for use with 54/950 hardware. There are no hobby certified reloads availible at this time.		1.70" (internal)		$73.00
NEW! -54mm Experimental Nozzle Carrier with 38mm snap ring. Requires the use of a 38mm Loki Research nozzle and Stainless Steel Nozzle Washer.		1.56"		$56.00
54mm Stainless Steel Nozzle Washer		.101"		$21.00
Low Profile 1/4-20 Eyebolt - 304 Stainless Steel with flanged black Oxide lock nut included.				$18.00
54mm Low Profile External Thrust Ring				$8.00
54mm 2-turn Spiral internal retaining ring. (stainless steel) Used with single use nozzles. Replaces nozzle washer and standard snap ring.				$8.00
54mm Modified Snap Ring. The ears have been ground down to fit around the 54mm Extended Bulkhead. Standard snap rings will not fit.				$5.00
54mm Standard Snap Ring				$2.00
54mm Tail Cone- For use with L-1040LR, L-2050LW and M-1378LR ONLY. Major OD top/bottom = 2.104"/1.785", 1.305" long, weight 34.2 grams		1.305"		$83.00