TM 10-8415-206-12&P
1-7. DIFFERENCES BETWEEN MODELS
a.
The regular size SPH-4 will fit personnel that wear hat sizes up to about 7-1/4.
b.
The extra large size will fit those who cannot fit into the regular size SPH-4 comfortably.
c.
The following components are larger in the extra large size:
(1) Shell
(2) Liner
(3) Suspension Assembly
1-8. EQUIPMENT DATA
For equipment data refer to table 1-1.
Table 1-1. EQUIPMENT DATA
HELMET
Design and performance Specification ........................................................................................ MIL-H-43925
Model ....................................................................................................................................... SPH4, Regular
NSN ....................................................................................................................................8415-00-144-4981
Model ................................................................................................................................ SPH-4, Extra Large
NSN ....................................................................................................................................8415-00-144-4985
BAG ....................................................................................................................................8415-00-782-2989
COMMUNICATIONS EQUIPMENT
HEADSET-MICROPHONE KIT
Model ............................................................................................................................................ MK-896A/AIC
Design and Performance Specification ........................................................................................... MIL-H-43925
Operator's and Maintenance Manual ............................................................................... TM 11-5965-279-13&P
Change 4
1-6
