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Attachment 0009 120mm Mortar Weapon Systems Parts Revised 18 February 2021
Table 1 M120A1 120mm Ground Mounted Mortar System, BII, DS Tool Kits and AAL
| Part |
| GFP |
| Part/Dwg # |
| NSN |
| Quantity Required |
M120A1 120mm Light Mortar Towed Assembly
| 12901293 |
| 1015-01-554-0749 |
| 1 |
Cannon, 120mm; M298
| 12901195 |
| 1015-01-522-2630 |
| 1 |
M191 Bipod Assembly
| 12901000 |
| 1015-01-521-1616 |
| 1 |
Baseplate, Mortar M9A1
| 12901321 |
| 1015-01-553-2118 |
| 1 |
Sight Unit, M67 consisting of
| Telescope, Elbow (GFP) |
| x |
| 9356181 |
| 6650-01-341-5195 |
| 1 |
| Mount, Telescope (GFP) |
| x |
| 9356166 |
| 6650-01-340-6082 |
| 1 |
120mm Mortar Stowage Kit (MSK) M326
13016345, 13016184, and 13016183
2590-01-551-7979
M1101 Cargo Trailer or M1102 Cargo Trailer
| x |
| 12450002 |
| 2330-01-387-5443 |
2330-01-387-5426
| M120A1 Basic Issue Items (BII) Kit |
| x |
| 13023458 |
| 9999-01-M98-0508 |
| 1 |
| M121/M120A1 Direct Support (DS) Tool Kit |
| x |
| 13023459 |
| 5180-01-598-2044 |
| 1 per 4 |
Required M120A1 AAL (GFP)
Shotgunner muff (Peltor) http://209.200.67.149/aosafety.com/shooters/p roducts/pas_05.htm x Model 97011- 00000 Black
N/A
| Medium/Regular |
| x |
| 370-1031 |
| 6515-01-576-8861 |
| Medium: 4 per |
system
| Large |
| x |
| 370-1032 |
| 6515-01-576-8869 |
| Large: 1 per system |
| M45A1 Boresight with Equipment |
| x |
| 10549221 (COAI) |
| 1240-00-152-3512 |
| 1 per 2 |
| M2 Compass |
| x |
| 10547166 |
| 1290-00-930-4260 |
| 1 per 2 |
| Plotting Board, M16 |
| x |
| 13014357 (COAI) |
| 1220-01-548-9063 |
| 1 per 2 |
| M3 Borescope |
| x |
| 11584701 |
| 6650-01-063-0035 |
| 1 per 12 |
| Dial Bore Gage |
| x |
| 12901228 |
| 5280-01-560-1762 |
| 1 per 12 |
| M2A2 Aiming Circle |
| x |
| 11785090 |
| 6675-01-067-0687 |
| 1 per 1 |
Table 2 M121 120mm Carrier Mounted Mortar System, BII, DS Tool Kits, & AAL
| Part |
| GFP |
| Part/Dwg # |
| NSN |
| Quantity Required |
M121 120mm Light Mortar Carrier Mounted Assembly
| 12900890 |
| 1015-01-292-3801 |
| 1 |
Cannon, 120mm; M298
| 12901195 |
| 1015-01-522-2630 |
| 1 |
M191 Bipod Assembly
| 12901000 |
| 1015-01-521-1616 |
| 1 |
Baseplate, Mortar M9A1
| 12901321 |
| 1015-01-553-2118 |
| 1 |
Sight Unit, M67 consisting of
| Telescope, Elbow (GFP) |
| x |
| 9356181 |
| 6650-01-341-5195 |
| 1 |
| Mount, Telescope (GFP) |
| x |
| 9356166 |
| 6650-01-340-6082 |
| 1 |
Blast Attenuator Device
| 12901012 |
| 1015-01-354-2152 |
| 1 |
| M121 Basic Issue Items (BII) Kit |
| x |
| 13023461 |
| 9999-01-M98-0512 |
| 1 |
| or AMPV-MC BII Kit (Optional) |
| x |
| 13096805 |
| M121/M120A1 DS Tool Kit |
| x |
| 13023459 |
| 5180-01-598-2044 |
| 1 per 4 |
Required M121 AAL (GFP)
Shotgunner muff (Peltor) http://209.200.67.149/aosafety.com/shooters/p roducts/pas_05.htm x Model 97011- 00000 Black
N/A
| Medium/Regular |
| x |
| 370-1031 |
| 6515-01-576-8861 |
| Medium: 4 per |
system
| Large |
| x |
| 370-1032 |
| 6515-01-576-8869 |
| Large: 1 per system |
| M45A1 Boresight with Equipment |
| x |
| 10549221 (COAI) |
| 1240-00-152-3512 |
| 1 per 2 |
| M2 Compass |
| x |
| 10547166 |
| 1290-00-930-4260 |
| 1 per 2 |
| Plotting Board, M16 |
| x |
| 13014357 (COAI) |
| 1220-01-548-9063 |
| 1 per 2 |
| M3 Borescope |
| x |
| 11584701 |
| 6650-01-063-0035 |
| 1 per 12 |
| Dial Bore Gage |
| x |
| 12901228 |
| 5280-01-560-1762 |
| 1 per 12 |
| M2A2 Aiming Circle |
| x |
| 11785090 |
| 6675-01-067-0687 |
| 1 per 1 |
Table 3 M120A1 120mm Ground Mounted Mortar System BII
M120A1 BII Kit - P/N:13023458 MCN 9999-01-M98-0508
| Bag, Tools and Spare Parts |
| 12576942 |
| Bar, Breech Cap Removal |
| 12901153 |
| Bore Brush Assembly |
| 12901147 |
| Brush, Bore, Cleaning |
| 11581871 |
| Cover, Fire Control |
| 11733753 |
| Cover, Gun Muzzle |
| 12901140 |
| Cover, Sight Unit Adapter |
| 12576976 |
| Extractor, Cartridge |
| 12901167 |
| Gage, Firing Pin |
| 12901151 |
| Gun, Grease |
| MIL-G-3859/1-14 |
| Hexagon Key (0.035) |
| B18.3-0.035- |
SHORT
| Wrench, Firing Pin |
| 12901194 |
| Screwdriver, Crosstip |
| B107.600-1-2-0 |
| Screwdriver, Flat Tip |
| B107.600-1-1-2 |
| Staff Assembly, Cleaning, Artillery |
| 12576922 |
| Post, Aiming: M14A1 |
| 13028470 |
| Bag, Carrying (Aiming Post) |
| 13041138 |
| Case, Sight Unit (M67/M64) |
| PRF13005489 |
| Light, Aiming Post: M65 |
| 13028500 |
| Battery, Non-rechargeable |
| 6135‐01‐351‐1131 |
or Aiming Post Light Kit (Optional for FMS)
| Light, Aiming Post, M58 (Green) (Tritium Component) |
| 11730975 |
Light, Aiming Post, M59 (Orange) (Tritium Component) 11730976
Table 4 M121 120mm Carrier Mounted Mortar System BII
M121 BII Kit - P/N:13023461 MCN 9999-01-M98-0512
| Bag, Tools and Spare Parts |
| 12576942 |
| Bar, Breech Cap Removal |
| 12901153 |
| Bore Brush Assembly |
| 12901147 |
| Brush, Bore, Cleaning |
| 11581871 |
| Cover, Fire Control |
| 11733753 |
| Cover, Gun Muzzle |
| 12901140 |
| Cover, Sight Unit Adapter |
| 12576976 |
| Extractor, Cartridge |
| 12901167 |
| Gage, Firing Pin |
| 12901151 |
| Gun, Grease |
| MIL-G-3859/1-14 |
| Hexagon Key (0.035) |
| B18.3-0.035- |
SHORT
| Wrench, Firing Pin |
| 12901194 |
| Screwdriver, Crosstip |
| B107.600-1-2-0 |
| Screwdriver, Flat Tip |
| B107.600-1-1-2 |
| Staff Assembly, Cleaning, Artillery |
| 12576922 |
| Post, Aiming: M14A1 |
| 13028470 |
| Bag, Carrying (Aiming Post) |
| 13041138 |
| Case, Sight Unit (M67/M64) |
| PRF13005489 |
| Light, Aiming Post: M65 |
| 13028500 |
| Battery, Non-rechargeable |
| 6135‐01‐351‐1131 |
or Aiming Post Light Kit (Optional for FMS)
| Light, Aiming Post, M58 (Green) (Tritium Component) |
| 11730975 |
Light, Aiming Post, M59 (Orange) (Tritium Component) 11730976
Table 5 Army Multi-Purpose Vehicle – Mortar Carrier (AMPV-MC) 120mm Mortar Systems BII
AMPV-MC BII Kit - P/N:13096805
| Bag, Tools and Spare Parts |
| 12576942 |
| Bar, Breech Cap Removal |
| 12901153 |
| Bore Brush Assembly |
| 12901147 |
| Brush, Bore, Cleaning |
| 11581871 |
| Cover, Fire Control |
| 11733753 |
| Cover, Gun Muzzle |
| 12901140 |
| Cover, Sight Unit Adapter |
| 12576976 |
| Extractor, Cartridge |
| 12901167 |
| Gage, Firing Pin |
| 12901151 |
| Gun, Grease |
| MIL-G-3859/1-14 |
| Hexagon Key (0.035) |
| B18.3-0.035- |
SHORT
| Wrench, Firing Pin |
| 12901194 |
| Screwdriver, Crosstip |
| B107.600-1-2-0 |
| Screwdriver, Flat Tip |
| B107.600-1-1-2 |
| Staff Assembly, Cleaning, Artillery |
| 12576922 |
| Post, Aiming: M14A1 |
| 13028470 |
| Bag, Carrying (Aiming Post) |
| 13041138 |
| Case, Sight Unit (M67/M64) |
| PRF13005489 |
| Light, Aiming Post: M65 |
| 13028500 |
| Battery, Non-rechargeable |
| 6135‐01‐351‐1131 |
| Sight Extension Assembly |
| 10932389 |
Table 6 M120A1/M121 120mm Mortar Systems DS Tools
M120A1/M121 DS Tools and Equipment, P/N: (1 per 4 systems)
M120A1/M121 DS Tool Kit P/N: 13023459 NSN 5180-01-598-2044
| Wrench, Spanner (31mm) |
| 12577337 |
| Wrench, Spanner (34mm) |
| 12577338 |
| Wrench, Spanner (40mm) |
| 12577346 |
| Wrench, Spanner (14mm) |
| 12577336 |
| Wrench, Spanner (32mm) |
| 12577347 |
| Wrench, Spanner (4 PT) |
| 12577344 |
| Wrench, Box (32mm) |
| 12577348 |
| Wrench, Box (38mm) |
| 12577343 |
| Wrench, Spanner, Adj #44 |
| 12576998 |
| Jaw Adapter (40mm) |
| 12577339 |
| Jaw Adapter (32mm) |
| 12577340 |
| Jaw Adapter (28mm) |
| 12577341 |
| Adapter, Torque Wrench |
| 12577342 |
| Reamer, Hand (6mm) |
| 12901131 |
| Reamer, Hand (4mm) |
| 12901130 |
| Wrench, Hook 40/42 |
| 12577461 |
| Wrench, Hook 45/50 |
| 12577462 |
| Wrench, Hook 52/55 |
| 12577463 |
| Wrench, Hook 58/62 |
| 12577464 |
| Block, Depth Setting, Drill |
| 12901137 |
| Wrench, Retainer |
| 12944242 |
| Wrench, Retainer |
| 12901134 |
| Wrench, Firing Pin |
| 12901194 |
| Gage, Firing Pin |
| 12901151 |
| Bar, Breech Cap, Tool |
| 12901153 |
Table 7 M120A1/M121 120mm Mortar Systems Required AAL and additional items
M67 Sight Unit
| Telescope, Elbow (Tritium Component) |
| 9356181 |
| Mount Telescope, M67 (Tritium Component) |
| 9356166 |
Aiming Post Light Kit, M65
| Light, Aiming Post: M65 |
| 13028500 |
| Battery, Non-rechargeable |
| 6135-01-352-1131 |
or Aiming Post Light Kit (Optional for FMS)
| Light, Aiming Post, M58 (Green) (Tritium Component) |
| 11730975 |
Light, Aiming Post, M59 (Orange) (Tritium Component) 11730976
| M45A1 Boresight with Equipment |
| 10549221 (COAI) |
| Plotting Board, M19 |
| 11748086 (COAI) |
| Plotting Board, M16 |
| 13014357 (COAI) |
| M2A2 Aiming Circle |
| 11785090 |
