The 278702-12 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6650-00-026-8136, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
WHERE IT FITS
278702-12
NSN:6650-00-026-8136 FSC:6650 — Optical Instruments, Test Equipment, Components and Accessories CAGE:10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
Part Number
278702-12
NSN
6650-00-026-8136
COMPONENT DIAGRAM
KEY FEATURES
•
FSC APPLICATION DATA: 1. FIRE CONTROL,RANGE FINDER,MK 37,MOD 5
•
BACK FOCAL LENGTH: 2.244 INCHES IN
•
FRONT FOCAL LENGTH: 2.018 INCHES IN
•
EQUIVALENT FOCAL LENGTH: 2.244 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
•
DIAMETER: 1.378 INCHES NOMINAL IN
•
ABBE CONSTANT: 41.000
•
AXIAL THICKNESS: 0.354 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATA
1. FIRE CONTROL,RANGE FINDER,MK 37,MOD 5
BACK FOCAL LENGTH
2.244 INCHES IN
FRONT FOCAL LENGTH
2.018 INCHES IN
EQUIVALENT FOCAL LENGTH
2.244 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION
JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE
DIAMETER
1.378 INCHES NOMINAL IN
ABBE CONSTANT
41.000
AXIAL THICKNESS
0.354 INCHES NOMINAL IN
MATERIAL
GLASS OPTICAL
REFRACTION INDEX
1.5790 NOMINAL
OTHER ITEMS IN FSC 6650 — Optical Instruments, Test Equipment, Components and Accessories
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 278702-12?
278702-12 is a 278702-12.
What parts can replace 278702-12?
There is 1 known substitute for 278702-12: 278702PC12. Substitute compatibility should be verified for your specific system.
What is the NSN for 278702-12?
278702-12 is cataloged in the U.S. Government catalog under NSN 6650-00-026-8136. This indicates validated use in U.S. government and defense supply chains.
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