129
PSC
Description
4920 Aircraft Maintenance and Repair Shop Specialized Equipment
Includes: Maintenance stands designed for support of aircraft assemblies during repair or
overhaul; Test Stands and Test Equipment specially designed for maintenance and repair of
aircraft components such as: engines, generators, hydraulic systems, armament, automatic pilot,
fire control, flight control, and navigational systems.
Excludes: Hand Tools; Airfield Maintenance Platforms; Basic types of electrical and electronic
test instruments, including those specially designed, such as ammeters, voltmeters ohmmeters,
multimeters, and similar instruments, as shown in the indexes to the FSC; Test Apparatus used
for both communications and
other electrical and electronic equipment.
4921 Torpedo Maintenance, Repair, and Checkout Specialized Equipment
Includes: Specially designed maintenance, test, checkout, and repair shop specialized equipment
for maintenance and repair of torpedoes, torpedo components; adapters, fixtures, inspection and
holding fixtures, leveling jack assemblies, fuel filling and syphon assemblies, control surface
adapter and protractor assemblies, afterbody cradle adapter and tilting mount assemblies,
pressure air heater assemblies, motor drier and puller assemblies, test stand levels and stands for
overhaul, maintenance, test, checkout, and repair of torpedo and torpedo components, test
panels, fixtures, and test sets for electrical circuits, firing circuits and torpedo test sets.
Excludes: Specially designed maintenance test, checkout and repair shop specialized equipment
for maintenance and repair of ammunition, guided missiles, rockets, fire control, space vehicles,
underwater mines, depth charges and nuclear ordnance. Also excludes "basic" types of electrical
and electronic test instruments, such as ammeters, voltmeters, ohmmeters, multimeters,
galvanometers and similar instruments.
4923 Depth Charges and Underwater Mines Maintenance, Repair, and Checkout Specialized
Equipment
Includes: Specially designed maintenance, test, checkout and repair shop specialized equipment
for maintenance and repair of depth charges and underwater mines; adapters, inspection, test and
holding fixtures; stands for overhaul, maintenance, test, checkout, and repair of underwater
mines and depth charges; test fixtures, panels plus assemblies and test sets for leak test, pressure
test, firing circuits and timing devices.
Excludes: Specially designed maintenance, test, checkout, and repair shop equipment designed
for nuclear ordnance, guided missiles, ammunition, torpedoes, rockets, fire control, space
vehicles and "basic" types of electrical and electronic test instruments.
4925 Ammunition Maintenance, Repair, and Checkout Specialized Equipment
Includes: Specially designed maintenance, test, checkout, and repair shop specialized equipment,
for maintenance and repair of ammunition items; adapters, ammunition feeders and hoppers;
inspection and holding fixtures; linkers, linkers-delinkers, and delinkers to assemble and
disassemble ammunition belts; surveillance ovens; explosimeters; primer firing device fixtures;
mandrels; repositioning machines; gas bomb service kits; test fixtures; panels; plug assemblies;
and test sets for ammunition maintenance, checkout and repair.
Excludes: Maintenance, repair, checkout and test equipment specially designed for use with
guided missiles, guided missile remote control systems, guided missile systems; fire control;
nuclear ordnance; rockets, underwat
er mines and depth charges; torpedoes; space vehicles and