Keystone Electronics Catalog K75 2025

SPRING & BUTTON CONTACTS

MATERIAL: Plate: .020 (.51) Steel, Nickel Plate Spring: Spring Steel, Nickel Plate Operating Temperature: -50°F to 185°F (-45°C to 85°C)

“AA” • “CR2” • “A” • “17500” • “18350” • “18650”

(-) NEGATIVE SPRING

(+) POSITIVE BUTTON

.334 [8.5]

.425 [10.8]

.050 [1.27]

.425 [10.8]

.050 [1.27]

.055 [1.40] DIA.

.055 [1.40] DIA.

.445 [11.3]

.236 [6.0]

.445 [11.3]

.228 [5.8]

.228 [5.8]

.061 [1.55]

.061 [1.55]

.062 [1.57] DIA.

.062 [1.57] DIA.

CAT. NO. 5224

CAT. NO. 5202

(+) POSITIVE BUTTON

DUAL CONTACT (“AA” ONLY)

(-) NEGATIVE SPRING

.280 [7.1] DIA. .057 [1.4]

.425 [10.8]

.414 [10.5]

.425 [10.8]

.970 [24.6] .551 [14.0]

.414 [10.5]

.055 [1.4] DIA.

.055 [1.40] DIA.

.500 [12.7]

.500 [12.7]

.500 [12.7]

.250 [6.4]

.250 [6.4]

.250 [6.4]

.140 [3.6]

.098 [2.5] DIA.

.062 [1.57] DIA.

.062 [1.57] DIA.

CAT. NO. 5222

CAT. NO. 5221

CAT. NO. 5212 Left or Right

(-) NEGATIVE SPRING WITH TAB

(+) POSITIVE BUTTON WITH TAB

DUAL CONTACT (“AA” ONLY)

.057 [1.4]

.441 [11.2]

.236 [6.0] DIA.

.441 [11.2]

.414 [10.5]

. 906 [23 . 0] . 551 [14 . 0]

. 414 [10 . 5]

.472 [12.0]

.722 [18.3]

.472 [12.0]

.275 [7.0]

.275 [7.0]

.722 [18.3]

. 472 [12 . 0]

. 295 [7 . 5]

. 728 [18 . 5]

.067 [1.70] DIA.

. 067 [1 . 70] DIA .

.067 [1.70] DIA. .060 [1.52] DIA.

.060 [1.52] DIA.

. 079 [2 . 00] DIA .

. 157 [4 . 0]

.118 [3.0]

.118 [3.0]

CAT. NO. 521O Left

CAT. NO. 5201

CAT. NO. 5223

CAT. NO. 5211 Right (Shown)

(-) NEGATIVE SPRING WITH TAB/LANCE

(+) POSITIVE BUTTON WITH TAB/LANCE

DUAL CONTACT WITH TAB (“AA” ONLY)

.057 [1.4]

.441 [11.2]

.414 [10.5]

.441 [11.2]

.236 [6.0] DIA.

. 551 [14 . 0] . 970 [24 . 6]

. 414 [10 . 52]

. 470 [11 . 9] .067 [1.70] DIA. .060 [1.52] DIA. BATTERY CONTACTS FOR MOLDED CASES . 295 [7 . 5] .472 [12.0] .275 [7.0] .722 [18.3] .472 [12.0] .275 [7.0] [18.3] .722

. 728 [18 . 5]

. 067 [1 . 70] DIA .

.118 [3.0]

.067 [1.70] DIA. .060 [1.52] DIA.

. 079 [2 . 00] DIA .

. 157 [4 . 0]

.118 [3.0]

CAT. NO. 5218 Left

CAT. NO. 5217 Right (Shown)

CAT. NO. 5220

CAT. NO. 5219

18

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