820-0005 — LINER,BABBIT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

820-0005: LINER,BABBIT.

The LINER,BABBIT is a the manufacturer industrial component. Key specifications include diameter: 1.300 INCHES NOMINAL IN, material: GLASS OPTICAL, abbe_constant: 57.400 AND 33.800, axial_thickness: 0.179 INCHES NOMINAL AND 0.130 INCHES NOMINAL IN, refraction_index: 1.5725 NOMINAL AND 1.6490 NOMINAL, back_focal_length: 10.455 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 6650-00-507-9254, 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

820-0005

NSN: 6650-00-507-9254
NIINs: 005079254, 012110293
FSC: 6650 — Optical Instruments, Test Equipment, Components and Accessories
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)

SPECIFICATIONS

diameter	1.300 INCHES NOMINAL IN
material	GLASS OPTICAL
abbe_constant	57.400 AND 33.800
axial_thickness	0.179 INCHES NOMINAL AND 0.130 INCHES NOMINAL IN
refraction_index	1.5725 NOMINAL AND 1.6490 NOMINAL
back_focal_length	10.455 INCHES IN
compound_lens_style	DOUBLET
fsc_application_data	FINDER,RANGE,T46E1 INTEGRATED WITH FIRE CONTROL EQUIPMENT
individual_lens_style	DOUBLE CONVEX AND PLANO-CONCAVE
equivalent_focal_length	10.600 INCHES IN
element_left_surface_radius	7.289 INCHES IN
compound_lens_edge_thickness	0.269 INCHES NOMINAL IN
NSN	6650-00-507-9254

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: FINDER,RANGE,T46E1 INTEGRATED WITH FIRE CONTROL EQUIPMENT

•

INDIVIDUAL LENS STYLE: DOUBLE CONVEX AND PLANO-CONCAVE

•

BACK FOCAL LENGTH: 10.455 INCHES IN

•

ELEMENT LEFT SURFACE RADIUS: 7.289 INCHES IN

•

EQUIVALENT FOCAL LENGTH: 10.600 INCHES IN

•

ELEMENT RIGHT SURFACE RADIUS: 4.111 INCHES IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE

•

DIAMETER: 1.300 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

FSC APPLICATION DATA	FINDER,RANGE,T46E1 INTEGRATED WITH FIRE CONTROL EQUIPMENT
INDIVIDUAL LENS STYLE	DOUBLE CONVEX AND PLANO-CONCAVE
BACK FOCAL LENGTH	10.455 INCHES IN
ELEMENT LEFT SURFACE RADIUS	7.289 INCHES IN
EQUIVALENT FOCAL LENGTH	10.600 INCHES IN
ELEMENT RIGHT SURFACE RADIUS	4.111 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-G-174, CLASS 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE
DIAMETER	1.300 INCHES NOMINAL IN
ABBE CONSTANT	57.400 AND 33.800
AXIAL THICKNESS	0.179 INCHES NOMINAL AND 0.130 INCHES NOMINAL IN

SUBSTITUTES & CROSS-REFERENCES 1

6650005079254Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is 820-0005?

820-0005 is a LINER,BABBIT.

What parts can replace 820-0005?

There is 1 known substitute for 820-0005: 6650005079254. Substitute compatibility should be verified for your specific system.

What is the NSN for 820-0005?

820-0005 is cataloged in the U.S. Government catalog under NSN 6650-00-507-9254. This indicates validated use in U.S. government and defense supply chains.

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820-0005 — LINER,BABBIT

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