Meccano Set Parts Lists
MECCANO SET
7521 - Extension Pack S (1978-1980)
Parts Lists
Compiled by Oscar Felgueiras
Note 1 - Where available photos of the parts in the correct colours appear in the left hand column. Where these are not available, but photos of the same part in different colours are available these appear in the right hand column.
Note 2 - The photos will increase in size if you hover your mouse cursor over them.
If anyone can supply missing photos of parts, please get in touch with me.
Thanks to Oscar Felgueiras for many of the part photos.
Special Note on this Set
Colours were gloss dark blue and dark yellow with initially, matt brass plating on most small parts (no matt dark blue has been seen in any early sets). Many changes during this sets short lifetime (shown with a ‘*’ in the lists below). Then the 1 ½” pulley changed to dark blue. Then parts 48, 48a, and 215 changed to dull brass plating and the 1 ½” pulley changed to dark yellow. Then dull brass parts (plus the 1 ½” pulley) started to change to an iridescent finish and plastic gears replaced the brass ones. . Also parts 189 and 190a were replaced by the plastic versions (parts 194d and 194b).
Set No. 7521 - Extension Pack S (1978-1980) (UK Standard Sets 1978-1979) |
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Photo | Old P/N | New P/N | Colour/Finish | Material | Part Name | Quantity | Alternative Photo |
1b | blue dark (UK 1978-81) | painted steel (UK) | Perforated Strips, 7 1/2" | 2 | 2 | blue dark (UK 1978-81) | painted steel (UK) | Perforated Strips, 5 1/2" | 4 | 6 | blue dark (UK 1978-81) | painted steel (UK) | Perforated Strips, 2", with 5 holes | 2 | 9 | blue dark (UK 1978-81) | painted steel (UK) | Angle Girder, 5 1/2" | 2 | 9f | blue dark (UK 1978-81) | painted steel (UK) | Angle Girder, 1 1/2" | 2 | 12b | matt brass (UK 1978-81) | plated steel (UK) | Angle Bracket, 1" x 1/2" | 2 | 12b | iridescent (UK 1998-81) | plated steel (UK) | Angle Bracket, 1" x 1/2" | * | 12c | matt brass (UK 1978-81) | plated steel (UK) | Obtuse Angle Bracket 1/2" x 1/2" | 4 | 12c | iridescent (UK 1998-81) | plated steel (UK) | Obtuse Angle Bracket 1/2" x 1/2" | * | 15b | zinc (UK) | plated steel (UK) | Axle Rod, 4" | 2 | 16 | zinc (UK) | plated steel (UK) | Axle Rod, 3 1/2" | 1 | 16a | zinc (UK) | plated steel (UK) | Axle Rod, 2 1/2" | 2 | 18a | zinc (UK) | plated steel (UK) | Axle Rod, 1 1/2" | 1 | 21 | brass or brass plated steel (UK) | Pulley, 1 1/2" diam. with boss | 2 | 21 | blue dark (UK 1978-81) | painted steel with brass boss (UK) | Pulley, 1 1/2" diam. with boss | * | 21 | yellow dark (UK 1978-81) | painted steel with brass boss (UK) | Pulley, 1 1/2" diam. with boss | * | 21 | iridescent (UK 1998-81) | plated steel with brass boss (UK) | Pulley, 1 1/2" diam. with boss | * | 22_p | yellow (UK) | plastic with brass boss (UK) | Pulley, 1" diam., with boss | 2 | 26 | brass or brass plated steel (UK) | Pinion, 1/2" diam., 1/4" face, 19 teeth | 1 | 26_p | yellow (UK) | plastic with brass boss (UK) | Pinion, 1/2" diam., 1/4" face, 19 teeth | * | 27a | brass or brass plated steel (UK) | Gear Wheel, 1 1/2" diam., 57 teeth | 1 | 27ap | yellow (UK) | plastic with brass boss (UK) | Gear Wheel, 1 1/2" diam., 57 teeth | * | 27f(1) | white (UK) | plastic with brass boss (UK) | Universal Gear Wheel, 1" diam., 14 teeth (peened boss) | 2 | 27f(1) | yellow (UK) | plastic with brass boss (UK) | Universal Gear Wheel, 1" diam., 14 teeth (peened boss) | * | 27f(2) | yellow (UK) | plastic with brass boss (UK) | Universal Gear Wheel, 1" diam., 14 teeth (push in boss) | * | 27f(2) | yellow dark (UK 1978-81) | plastic with brass boss (UK) | Universal Gear Wheel, 1" diam., 14 teeth (push in boss) | * | 35 | black (UK) | chemically blackened steel (UK) | Spring Clip | 4 | 37b(2) | (br_UK) | plated steel (UK) | Bolt, 7/32", round head | 62 | 37b(2) | iridescent (UK 1998-81) | plated steel (UK) | Bolt, 7/32", round head | * | 37c | (br_UK) | plated steel (UK) | Nut, hexagonal | 92 | 37c | iridescent (UK 1998-81) | plated steel (UK) | Nut, hexagonal | * | 38 | (br_UK) | plated steel (UK) | Washer | 20 | 38 | iridescent (UK 1998-81) | plated steel (UK) | Washer | * | 48 | blue dark (UK 1978-81) | painted steel (UK) | Double Angle Strip, 1 1/2" x 1/2" | 2 | 48 | matt brass (UK 1978-81) | plated steel (UK) | Double Angle Strip, 1 1/2" x 1/2" | * | 48 | iridescent (UK 1998-81) | plated steel (UK) | Double Angle Strip, 1 1/2" x 1/2" | * | 48a | blue dark (UK 1978-81) | painted steel (UK) | Double Angle Strip, 2 1/2" x 1/2" | 4 | 48a | matt brass (UK 1978-81) | plated steel (UK) | Double Angle Strip, 2 1/2" x 1/2" | * | 48a | iridescent (UK 1998-81) | plated steel (UK) | Double Angle Strip, 2 1/2" x 1/2" | * | 48b | blue dark (UK 1978-81) | painted steel (UK) | Double Angle Strip, 3 1/2" x 1/2" | 2 | 53 | yellow dark (UK 1978-81) | painted steel (UK) | Flanged Plate, 3 1/2" x 2 1/2" | 1 | 69a(1) | black (UK) | chemically blackened steel (UK) | Grub Screw, 4mm, Slotted Head | 6 | 69a(1) | zinc (UK) | plated steel (UK) | Grub Screw, 4mm, Slotted Head | * | 69a(1) | iridescent (UK 1998-81) | plated steel (UK) | Grub Screw, 4mm, Slotted Head | * | 70 | yellow dark (UK 1978-81) | painted steel (UK) | Flat Plate, 5 1/2" x 2 1/2" | 1 | 81 | (br_UK) | plated steel (UK) | Screwed Rod, 2" | 1 | 90a | blue dark (UK 1978-81) | painted steel (UK) | Curved Strip, Step., 2 1/2", 1 3/8" radius | 2 | 103f | blue dark (UK 1978-81) | painted steel (UK) | Flat Girder, 2 1/2" | 2 | 111(2) | (br_UK) | plated steel (UK) | Bolt, 3/4", round head | 3 | 111(2) | iridescent (UK 1998-81) | plated steel (UK) | Bolt, 3/4", round head | * | 111a(2) | (br_UK) | plated steel (UK) | Bolt, 1/2", round head | 12 | 111a(2) | iridescent (UK 1998-81) | plated steel (UK) | Bolt, 1/2", round head | * | 111d(2) | (br_UK) | plated steel (UK) | Bolt, 1 1/8", round head | 2 | 111d(2) | iridescent (UK 1998-81) | plated steel (UK) | Bolt, 1 1/8", round head | * | 115a(4) | matt brass (UK 1978-81) | plated steel (UK) | Threaded Pin, long, 1 3/8" with Two Hex Nuts (long thread) | 1 | 115a(4) | iridescent (UK 1998-81) | plated steel (UK) | Threaded Pin, long, 1 3/8" with Two Hex Nuts (long thread) | * | 133a | blue dark (UK 1978-81) | painted steel (UK) | Corner Bracket, 1 " | 2 | 160 | blue dark (UK 1978-81) | painted steel (UK) | Channel Bearing, 1 1/2" x 1" x 1/2" | 1 | 186a | black (UK) | rubber (UK) | Driving Band, 6" Light | 2 | 187c(1) | black (UK) | plastic (UK) | Road Wheel, complete (3 parts) | 4 | 189 | yellow dark (UK 1978-81) | painted steel (UK) | Flexible Plate, 5 1/2" x 1 1/2 " | 2 | 190a | yellow dark (UK 1978-81) | painted steel (UK) | Flexible Plate, 3 1/2" x 2 1/2 " | 1 | 193 | clear (UK) | plastic (UK) | Transparent Plastic Plate, 2 1/2" x 1 1/2" | 2 | 194a | yellow dark (UK 1978-81) | plastic (UK) | Plastic Plate, 2 1/2" x 2 1/2" | 2 | 194b | yellow dark (UK 1978-81) | plastic (UK) | Plastic Plate, 3 1/2" x 2 1/2" | * | 194d | yellow dark (UK 1978-81) | plastic (UK) | Plastic Plate, 5 1/2" x 1 1/2" | * | 215 | blue dark (UK 1978-81) | painted steel (UK) | Formed Slot Strip, 3" | 2 | 215 | matt brass (UK 1978-81) | plated steel (UK) | Formed Slot Strip, 3" | * | 215 | iridescent (UK 1998-81) | plated steel (UK) | Formed Slot Strip, 3" | * | 235 | blue dark (UK 1978-81) | painted steel (UK) | Narrow Strip, 2 1/2" x 11/32" | 4 | NoNr01a | red (UK 1970s) | plastic (UK) | Parts Tray | 1 |
Total Number of parts in the set is 272