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| You've learned this stuff in school and throughout your career. But what is that formula? Where is that old textbook? You're under a deadline - you're near panic! |
| But then you remember that Mitchell Electronics has a lot of technical information posted on their website. Will what you need be there? Yes! There it is! |
| You finish your design and submit it in plenty of time - all because you didn't have to dig through old files and textbooks to find the technical information you were looking for |
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| Standard Mil-T-27 Cases Dimensions (inches) |
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Case
Symbol |
Case Dimensions |
Military Dimensions |
| L |
W |
H |
ML |
MW |
F |
| AF |
3/4 |
3/4 |
1 1/8 |
13/16 * |
-- |
4/40 x 3/8 |
| AG |
1 |
1 |
1 3/8 |
1 1/8 * |
-- |
6 - 32 x 3/8 |
| AH |
1 5/16 |
1 5/16 |
1 3/4 |
S:1 1/4 |
-- |
6 - 32 x 3/8 |
| AJ |
1 5/8 |
1 5/8 |
2 3/8 |
1 1/16 |
1 3/16 |
6 - 32 x 3/8 |
| EA |
1 15/16 |
1 11/16 |
2 1/4 |
1 3/8 |
1 1/4 |
6 - 32 x 3/8 |
| EB |
1 13/16 |
1 13/16 |
2 1/16 |
1 3/8 |
1 1/4 |
6 - 32 x 3/8 |
| FA |
2 3/16 |
2 1/16 |
3 1/8 |
1 11/16 |
1 7/16 |
6 - 32 x 3/8 |
| FB |
2 5/16 |
2 1/16 |
2 1/2 |
1 11/16 |
1 7/16 |
6 - 32 x 3/8 |
| GA |
2 3/4 |
2 3/8 |
3 13/16 |
2 1/8 |
1 3/4 |
6 - 32 x 3/8 |
| GB |
2 3/4 |
2 3/8 |
2 13/16 |
2 1/8 |
1 3/4 |
6 - 32 x 3/8 |
| HA |
3 1/16 |
2 5/8 |
4 1/4 |
2 19/64 |
1 35/64 |
6 - 32 x 3/8 |
| HB |
3 1/16 |
2 5/8 |
3 3/16 |
2 19/64 |
1 35/64 |
8 - 32 x 3/8 |
| JA |
3 9/16 |
3 1/16 |
4 7/8 |
2 5/8 |
2 1/8 |
8 - 32 x 3/8 |
| JB |
3 9/16 |
3 1/16 |
3 7/8 |
2 3/8 |
2 1/8 |
8 - 32 x 3/8 |
| KA |
3 15/16 |
3 3/8 |
5 1/4 |
3 |
2 1/16 |
10 - 32 x 1/2 |
| KB |
3 15/16 |
3 3/18 |
4 5/16 |
3 |
2 1/16 |
10 - 32 x 1/2 |
| LA |
4 3/16 |
3 11/16 |
5 9/16 |
3 5/16 |
2 11/16 |
10 - 32 x 1/2 |
| LB |
4 3/16 |
3 11/16 |
4 1/2 |
3 3/16 |
2 11/16 |
10 - 32 x 1/2 |
| MA |
4 11/16 |
4 |
6 |
3 11/16 |
3 |
1/4 - 20 x 5/8 |
| MB |
4 11/16 |
4 |
4 15/16 |
3 11/16 |
3 |
1/4 - 20 x 5/8 |
| NA |
5 1/16 |
4 5/16 |
6 13/16 |
4 1/16 |
3 1/16 |
1/4 - 20 x 5/8 |
| NB |
5 1/16 |
4 5/16 |
5 1/2 |
4 1/16 |
3 5/16 |
1/4 - 20 x 5/8 |
| OA |
5 1/2 |
4 1/2 |
6 3/4 |
3 3/4 |
3 |
1/4 - 20 x 5/8 |
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| * Not in conformance with MIL-T-27 |
S: Two studs in a diagonal. |
| YY |
All metal cases not included above or with non-standard mounting canters. |
| ZZ |
Open type and encapsulated units. |
| 1. |
Tolerances on dimensions L and W are +0 to -1/16 for cases AF, AG, AH and AJ; +0 to -1/8 for all other cases. |
| 2. |
Tolerances on dimension H are +0 to - 1/8 for cases AF, AG, AH, and AJ; +0 to -3/16 for all other cases. |
| 3. |
Tolerances on dimensions ML and MW are ±1/16 for cases AJ to JB inclusive: ±1/32 for cases KA to LB, inclusive; and ±3/64 for cases MA to CA, inclusive. When mounting studs or holes for inserts are used, they shall be symmetrically locked. |
| 4. |
Screw-stud lengths are from mounting surface and have a length tolerance of ±1/16 on studs 1/2" long or less and ±1/8 on studs over 1/2" long. |
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| Phone: |
914-699-3800 |
| Fax: |
914-699-1022 |
| Address: |
85 West Grand Street
Mt. Vernon, NY 10552 |
| Email: |
info@yesmec.com |
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