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Keys on some 1200s in some markets are matched: One key opens all doors as well as operates the ignition. In other markets there is a different key for the ignition. Also there are left-hand and right-hand keys that otherwise look identical.

Usage

1972 USA Owners manual (see pages 3-4 for key information):

Your Datsun is equipped with an ignition key warning buzzer system.

Key Types

Datsun 1200 used one of Two key types: VOSS single-sided or VOSS double-sided (reversible) keys.

OVAL KEYS

VOSS KEY00-00034/VH1000 single-sided

VOSS-type keys (KEY00-00034) were made by Kanto Seiki under license of VOSS of Germany. These were used starting around 1969. The former WASO type (KEY00-00028) were made by Kanto Seiki under license of WASO of Sweden. The only real difference is the length. The VOSS keys are shorter, which means WASO key won't fit in the VOSS cylinder. The longer VOSS keys should never be used in a WASO cylinder, as it may lock the steering incorrectly.

Use only VOSS type for Datsun 1200

Double-sided Keys

VOSS Double-sided keys had the "Nissan Motor" text and "N" symbol.

VOSS KEY00-00035 double-sided

VOSS double-sided newer shape used in JDM (Sunny Truck) and SADM (Bakkie)

Do not confuse Datsun 1200 keys with these single-sided VOSS keys. They also had "Nissan Motor" text and "N" symbol, but were used by earlier models e.g. Datsun Roadster.

Lock Cylinder

For USA 1200s, JDM GL and GX, and newer JDM 1200 pickups, the ignition switch bolts to the back of the key cylinder. The Ignition Switch is not strictly part of the Lock Cylinder, but bolts to it.

Fitment

Left: 1972-1973, Right: 1971. Note addition of ACC position.

1972 USA Owners manual (see page 11):

The "ACC" (accessories) position of the switch permits you to use all of the electrical accessories.

Part Numbers

USA

B110

KEY00-00035 KEY-BLANK FOR VOSS TYPE [reversible]
KEY00-00034 KEY-BLANK FOR VOSS TYPE STEERING LOCK [single-sided]

80010-H1913 SET CYLINDER LOCK & KEY
- 48700-H1900 ASSY-LOCK STEERING
- 48700-H1901 ASSY-LOCK STEERING from 0471
- Reversible key, left-handed
80010-H1914 SET CYLINDER LOCK & KEY

80010-H1901 SET-CYLINDER LOCK & KEY
- 80610-H1001 ASSY-KEY [with leather holder]
- 80600-H1000 ASSY-CYLINDER DOOR LOCK RH
  - 80590-10600 CLIP-CYLINDER LOCK
- 80601-H1000 ASSY-CYLINDER DOOR LOCK LH
  - 80590-10600 CLIP-CYLINDER LOCK
- 84460-H1000 ASSY-CYLINDER TRUNK LID LOCK
  - 80590-10600 CLIP-CYLINDER LOCK
- 76960-H1001 ASSY-CYLINDER GAS FILLER LID LOCK
  - 76962-18200 CLIP-CYLINDER GAS FILLER LID LOCK

80010-H1902 SET-CYLINDER LOCK & KEY
- 80610-H1001 ASSY-KEY [with leather holder]
- 80600-H1001 ASSY-CYLINDER DOOR LOCK RH
  - 80590-10600 CLIP-CYLINDER LOCK
- 80601-H1001 ASSY-CYLINDER DOOR LOCK LH
  - 80590-10600 CLIP-CYLINDER LOCK
- 84460-H1001 ASSY-CYLINDER TRUNK LID LOCK
  - 80590-10600 CLIP-CYLINDER LOCK
- 76960-H1001 ASSY-CYLINDER GAS FILLER LID LOCK
  - 76962-18200 CLIP-CYLINDER GAS FILLER LID LOCK

80010-H1903 SET-CYLINDER LOCK & KEY
- 48700-H1901 ASSY-LOCK STEERING

80010-H1904 SET-CYLINDER LOCK & KEY
- 80610-H1900 KEY (WITHOUT HOLDER)

USA B210 ignition lock is totally different. Clamps at mid-barell instead of end

80610-H6200 ASSY-HOLDER,WITH KEY
KEY00-00039 KEY-BLANK ST'G LOCK & DOOR

B310

48700-U8725 LOCK ASSY-STEERING
K9810-H9101 KEY SET -0880
99810-H9101 KEY SET 0179-
99810-H9100 KEY SET -1278
KEY00-00039 KEY-BLANK,TYPE L

Japan

JDM STD and DX models used a non-locking steering column. The ignition switch was on a bracket:

25150-H1010 SWITCH COMP.-ignition B110 STD, DX
- 25157-H1001 BRACKET-ignition switch
B120 -7804
B120 7804-8910

B210 (looks like USA B110)

80010-H5000 CYLINDER LOCK & KEY SET
80690-E6000 HOLDER ASS'Y-key
48700-H5000 LOCK ASS'Y-steering
48700-H5010 LOCK ASS'Y-steering

B122 (late model) Datsun 1200 Pickup

Dimensions

Length

Nissan keys come in various lengths. The original Datsun 1200 keys were the short length.

Short: ~31 mm groove length
- 2.0 inch overall
- Original 1200 reversible key length
Medium: ~38 mm groove length
- 2.4 inch overall
- Used by Datsuns & Nissans 1974-1981, Subaru, and Mazda Cosmo
Long: ~46 mm groove length
- 2.7 inch overall

Width

Width is 8.9 mm at the point where the grooves start.

Width of the teeth area is 7.1 mm

Center groove width: 2.3 mm
Outside groove width: about 1.0 mm minimum (some keys have it machined all the way out, that is to say a wider groove)

Right-Handed vs Left-Handed

The reversible key came in left-hand and right-hand versions. Datsun 1200 used only the left-hand style.

KEY00-00035 left groove
2nd groove is left of center groove

2nd groove is right of center groove

Aftermarket Keys

Two styles were used (center, right). The newer, longer one (left) will work, but is not the original style.

The little groove diagrams below the photos are for the keylock, so they are the reverse of the actual key.

WARNING: The first key is right-handed, while the second is left-handed. Each key comes either way. Be sure to purchase the correct one for your 1200 locks.

Interesting that some 1200s (newer utes?) came with two different keys originally. The 1971-1973 north american models came with single key for ignition, doors and trunk.

Oval Single-Sided Nissan Key

This is the earlier style for 1968-1971 Datsun, Mazda before the double-sided keys were used. This was used by 1971 1200s, and for door locks on 1972-up non-North American models

Nissan: KEY00-00034 (Key-Blank for Voss Type Steering Lock)
Silca DAT5
DL [Australia] MZ12
Ilco: DA20
Dominion: WS7
Taylor: D80K
Curtis: WS7 or WS2
OEM: Waso