The 31-28-51-54 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 6650-00-490-2709, 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
31-28-51-54
NSN:6650-00-490-2709 FSC:6650 — Optical Instruments, Test Equipment, Components and Accessories CAGE:06175 — BAUSCH & LOMB INC (USA)
SPECIFICATIONS
Part Number
31-28-51-54
NSN
6650-00-490-2709
COMPONENT DIAGRAM
KEY FEATURES
•
STAGE TYPE: REVOLVING AND MECHANICAL
•
MIRROR QUANTITY: 2
•
NOSEPIECE DESIGN: TURRET
•
BODY TUBE BERTRAND LENS: NOT PROVIDED
•
MAGNIFICATION: 4.0X NOMINAL AND 10.0X NOMINAL AND 21.0X NOMINAL
•
NUMERIC APERTURE: 1.25
•
USAGE DESIGN: CHEMISTRY
•
LENS TYPE: ACHROMATIC
TECHNICAL CHARACTERISTICS
STAGE TYPE
REVOLVING AND MECHANICAL
MIRROR QUANTITY
2
NOSEPIECE DESIGN
TURRET
BODY TUBE BERTRAND LENS
NOT PROVIDED
MAGNIFICATION
4.0X NOMINAL AND 10.0X NOMINAL AND 21.0X NOMINAL
NUMERIC APERTURE
1.25
USAGE DESIGN
CHEMISTRY
LENS TYPE
ACHROMATIC
STAGE CALIBRATION FACILITY
GRADUATED PERIPHERY AND GRADUATED SCALE
CENTERING FEATURE
PROVIDED
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 31-28-51-54?
31-28-51-54 is a 31-28-51-54.
What is the NSN for 31-28-51-54?
31-28-51-54 is cataloged in the U.S. Government catalog under NSN 6650-00-490-2709. This indicates validated use in U.S. government and defense supply chains.
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