10 -- Weapons
11 -- Nuclear ordnance
12 -- Fire control equipment
13 -- Ammunition & explosives
14 -- Guided missiles
15 -- Aircraft & airframe structural components
16 -- Aircraft components & accessories
17 -- Aircraft launching, landing & ground handling equipment
18 -- Space vehicles
19 -- Ships, small craft, pontoons & floating docks
20 -- Ship and marine equipment
22 -- Railway equipment
23 -- Ground effects vehicles, motor vehicles, trailers & cycles
24 -- Tractors
25 -- Vehicular equipment components
26 -- Tires and tubes
28 -- Engines, turbines & components
29 -- Engine accessories
30 -- Mechanical power transmission equipment
31 -- Bearings
32 -- Woodworking machinery and equipment
34 -- Metalworking machinery
35 -- Service and trade equipment
36 -- Special industry machinery
37 -- Agricultural machinery & equipment
38 -- Construction, mining, excavating & highway maintenance equipment
39 -- Materials handling equipment
40 -- Rope, cable, chain & fittings
41 -- Refrigeration, air-conditioning & air circulating equipment
42 -- Fire fighting, rescue & safety equipment
43 -- Pumps & compressors
44 -- Furnace, steam plant & drying equipment
45 -- Plumbing, heating, & sanitation equipment
46 -- Water purification & sewage treatment equipment
47 -- Pipe, tubing, hose & fittings
48 -- Valves
49 -- Maintenance & repair shop equipment
51 -- Hand tools
52 -- Measuring tools
53 -- Hardware & abrasives
54 -- Prefabricated structures and scaffolding
55 -- Lumber, millwork, plywood & veneer
56 -- Construction & building materials
58 -- Communication, detection, & coherent radiation equipment
59 -- Electrical and electronic equipment components
60 -- Fiber optics materials, components, assemblies & accessories
61 -- Electric wire & power & distribution equipment
62 -- Lighting fixtures & lamps
63 -- Alarm, signal & security detection equipment
65 -- Medical, dental & veterinary equipment & supplies
66 -- Instruments & laboratory equipment
67 -- Photographic equipment
68 -- Chemicals & chemical products
69 -- Training aids & devices
70 -- General purpose information technology equipment
71 -- Furniture
72 -- Household & commercial furnishings & appliances
73 -- Food preparation and serving equipment
74 -- Office machines, text processing systems & visible record equipment
75 -- Office supplies and devices
76 -- Books, maps & other publications
77 -- Musical instruments, phonographs & home-type radios
78 -- Recreational & athletic equipment
79 -- Cleaning equipment and supplies
80 -- Brushes, paints, sealers & adhesives
81 -- Containers, packaging, & packing supplies
83 -- Textiles, leather, furs, apparel & shoe findings, tents & flags
84 -- Clothing, individual equipment & insignia
85 -- Toiletries
87 -- Agricultural supplies
88 -- Live animals
89 -- Subsistence
91 -- Fuels, lubricants, oils & waxes
93 -- Nonmetallic fabricated materials
94 -- Nonmetallic crude materials
95 -- Metal bars, sheets & shapes
96 -- Ores, minerals & their primary products
99 -- Miscellaneous
A -- Research & Development
B -- Special studies and analysis - not R&D
C -- Architect and engineering services
D -- Information technology services, including telecommunications services
E -- Purchase of structures & facilities
F -- Natural resources & conservation services
G -- Social services
H -- Quality control, testing & inspection services
J -- Maintenance, repair & rebuilding of equipment
K -- Modification of equipment
L -- Technical representative services
M -- Operation of Government-owned facilities
N -- Installation of equipment
P -- Salvage services
Q -- Medical services
R -- Professional, administrative, and management support services
S -- Utilities and housekeeping services
T -- Photographic, mapping, printing, & publication services
U -- Education & training services
V -- Transportation, travel, & relocation services
W -- Lease or Rental of equipment
X -- Lease or rental of facilities
Y -- Construction of structures and facilities
Z -- Maintenance, repair, and alteration of real property