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Sperian/Howard Leight National Stock Number (NSN)Cross Reference List For Hearing Protection
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Mfg. Part Number National Stock Number (NSN) Description
MAX-1 6515-01-572-8338 MAX-1 EAR PLUG
MAX-30 6515-01-450-5396 MAX-30 EAR PLUG CORDED
QB3HYG 4240-01-243-7176 HOWARD LEIGHT BANDED EARPLUG/PADS OUTSIDE OF EAR
QB2HYG 4240-01-412-7475 HOWARD LEIGHT BANDED EARPLUG/PADS INSIDE EAR
Thunder 29 4240-01-449-5058 THUNDER 29 EARMUFF (DISCONTINUED REPLACE=THUNDER T-3)
L3/1010924 4240-00-691-5617 LEIGHTNING L3 HEADBAND EARMUFF - WIRE
QD30 6515-01-537-1334 QUIET NO-ROLL MULTIPLE-USE EARPLUG/POLYCORD, FLIP-TOP BOX 
LS-500 6515-01-544-0396 EARPLUG DISPENSER
FUS30S-HP 6515-01-461-7931 FUSION EARPLUG BOX OF 100
QM 24+ 4240-01-256-3350 QM 24+
QD1 6515-01-572-0141 QUIET EAR PLUG
LT-30 6515-01-504-5130 LASER TRAK EARPLUG
DPAS-30W 6515-01-513-9896 AIRSOFT EARPLUG WHITE NYLON CORD
DPAS-1 6515-01-520-7121 AIRSOFT EARPLUG UNCORDED
1010922 8415-01-025-6784 L1 EARMUFF
1010926 4240-01-281-2138 V2 EARMUFF
MM-1 6515-01-296-4622 MM-1 EARPLUG
QD1-SM 6515-00-467-0085 QUIET EAR PLUG SMALL
QD1-LG 6515-00-442-4813 QUIET EAR PLUG LARGE
SMF-30 6515-00-442-4807 SMART FIT EAR PLUG


Sperian/Howard Leight NSN Cross Reference
Item No: sperian-nsn-reference