TM  55-1520-240-23-1 1-18 EXPENDABLE  MATERIALS (Continued) 1-18 ITEM  NO. NOMENCLATURE MILITARY SPECIFICATION NSN 228 Lockwire MS20995CU20 9525-01-047-6455 229 Lockwire MS20995NC20 9525-00-618-0257 230 Lockwire MS20995C32 9505-00-293-4208 231 Lockwire MS20995NC32 9525-00-803-3044 232 Lockwire MS20995C40 — 233 Lockwire MS20995NC40 9525-00-990-7799 234 Lockwire MS20995NC51 9525-00-529-9196 235 Lubricant, molybdenum disulfide  powder MIL-M-7866 6810-00-264-6715 236 Lubricant, penetrating, type  I W-P-216 9150-00-261-7899 237 Lubricant, solid film, air  drying, type I MIL-L-23398 9150-00-754-0064 238 Lubricant, solid  film MIL-L-8937 9150-00-834-5608 238.1 Super O-Lube, Parker  Seal Co., silicone damping  fluid W-D-1078A — 239 Lubricant, surgical — 240 Lubricant (grease,  ball  bearing)  Lubriplate, Fiske Brothers Refinery Co.  (or  equiv) — 9150-00-076-1574 241 Material,  cushioning PPP-3-843 8135-00-183-8814 242 Metal conditioner  and rust remover (phosphoric  acid base) MIL-M-10578 6850-00-656-1292 243 Methanol  (methyl alcohol) O-M-232 6810-00-174-5190 244 Methyl-ethyl-ketone TT-M-261 6810-00-281-2785 245 Naphtha, aliphatic, type II TT-N-95 6810-00-238-8117 246 Naphtha, aromatic TT-N-97 6810-00-223-9067 247 Nitrogen, Propellant pressuring agent MIL-P-27401/BB-N-411 9135-00-823-8115 247.1 Nitrogen, Aircraft Servicing  0-3000 psi — 6830-00-880-1838 248 Nitrogen, technical BB-N-411 6830-01-028-9402 248.1 Nylon sheet, 0.002  to 0.005 inch thick — 9330-00-366-3000 249 Oakite, No 24, 36, 61, and M-3, Qakite Products Inc. P-C-436 6850-00-664-7530 250 Oil, general  purpose, preservative W-L-800 9150-00-231-6689 251 Oil, lubricating  (Grade  1010) MIL-L-6081 9150-00-231-6676 252 Oil, lubricating,  aircraft reciprocating engine,  grade 1065 MIL-L-6082 9150-01-007-9134 253 Oil, lubricating, aircraft turbine engine MIL-L-23699 9150-00-985-7099 254 Oil, lubricating, aircraft turbine engine, synthetic  base MIL-L-7808 9150-00-782-2627 254.1 Oil, lubricating, Aircraft Transmission Systems DOD-L-85734 9150-01-209-2684 255 Oil, lubricating, corrosion preventive, synthetic base MIL-C-8188 6850-00-273-2395 256 Oil, lubricating, gear, multi-purpose MIL-L-2105 9150-01-035-5392 257 Oil, lubricating, instrument MIL-L-6085 9150-00-223-4129 1-48