NPAK Datasheet(PDF) - TRAP-REPK - Ralston Instruments.

Manufacturer	Part #	Datasheet	Description
Ralston Instruments.	TRAP-REPK	206Kb/1P	NPAK-TRS0 and NPAK-TRS0-2MS0-2FSA repair kit
	NPAK-0085	206Kb/1P	NPAK replacement control panel
	NPAK-0012	206Kb/1P	NPAK fine adust piston only
	NPAK-0016	206Kb/1P	NPAK dual scale pressure gauge
	NPAK-0001	206Kb/1P	NPAK Tank valve block, aluminum
	NPAK-0080	206Kb/1P	NPAK gauge compartment with foam liner
	NPAK-0040	206Kb/1P	NPAK replacement gas regulator (for #3)
	NPAK-REPK	311Kb/1P	NPAK nitrogen calibration source repair kit
	NPAK-0030	206Kb/1P	NPAK tank clamps, bracket and attachment bolts
	NPAK-0090	206Kb/1P	NPAK replacement case with reinforced steel panel ring
	NPAK-0014	206Kb/1P	NPAK Valve Block (for #6 and #8)
	NPAK-0058	206Kb/1P	NPAK tube connecting regulator to "regulated pressure" gauge
	NPAK-1KPSIG-M	427Kb/1P	NPAK Nitropak nitrogen calibration source, 1KPSIG analog gauge kit
	NPAK-3KPSIG-M	427Kb/1P	NPAK nitrogen calibration source, 3KPSIG analog gauge kit
	NPAK-1KPSIG-D	427Kb/1P	NPAK Nitropak nitrogen calibration source, 1KPSIG digital gauge kit
	NPAK-3KPSI-D	427Kb/1P	NPAK Nitropak nitrogen calibration source, 3KPSIG digital gauge kit
	NPAK-0004	206Kb/1P	NPAK Overpressure burst disk (3000 psi / 200 pressure range)
	NPAK-0055	206Kb/1P	NPAK tube connecting regulator to fine adjust vernier assembly
	NPAK-0006	407Kb/1P	NPAK System Fill Valve assembly, knob, panel nut (for #2)
	NPAK-0035	206Kb/1P	NPAK nitrogen cylinder (15.2 cu. ft / 430 l @ 3000 psi)

NPAK Datasheet, PDF