51BU — LENS,LIGHT

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

51BU: LENS,LIGHT.

The LENS,LIGHT is a the manufacturer industrial component. Key specifications include material: PLASTIC ACRYLIC OR PLASTIC POLYCARBONATE LENS, overall_height: 2.078 INCHES NOMINAL IN, mounting_method: FLANGE, style_designator: CONICAL, surface_condition: SMOOTH FACE, taper_major_diameter: 3.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 6220-01-159-3660, 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

51BU

NSN: 6220-01-159-3660
FSC: 6220 — Electric Vehicular Lights and Fixtures
CAGE: 13226 — BETTS INDUSTRIES, INC. (USA)

SPECIFICATIONS

material	PLASTIC ACRYLIC OR PLASTIC POLYCARBONATE LENS
overall_height	2.078 INCHES NOMINAL IN
mounting_method	FLANGE
style_designator	CONICAL
surface_condition	SMOOTH FACE
taper_major_diameter	3.125 INCHES NOMINAL IN
mounting_device_quantity	1
light_transmission_design	TRANSLUCENT LENS
NSN	6220-01-159-3660

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING METHOD: FLANGE

•

STYLE DESIGNATOR: CONICAL

•

SURFACE CONDITION: SMOOTH FACE

•

TAPER MAJOR DIAMETER: 3.125 INCHES NOMINAL IN

•

MOUNTING DEVICE QUANTITY: 1

•

COLOR: CLEAR LENS

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	2.078 INCHES NOMINAL IN
MOUNTING METHOD	FLANGE
STYLE DESIGNATOR	CONICAL
SURFACE CONDITION	SMOOTH FACE
SURFACE CONDITION	GROOVED BACK
TAPER MAJOR DIAMETER	3.125 INCHES NOMINAL IN
MOUNTING DEVICE QUANTITY	1
COLOR	CLEAR LENS
LIGHT TRANSMISSION DESIGN	TRANSLUCENT LENS
MATERIAL	PLASTIC ACRYLIC OR PLASTIC POLYCARBONATE LENS

OTHER ITEMS IN FSC 6220 — Electric Vehicular Lights and Fixtures

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

6220-00-001-1462 6220-00-001-1726 6220-00-001-1727 6220-00-001-1728 6220-00-001-1773 6220-00-001-1800 6220-00-001-1809

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 51BU?

51BU is a LENS,LIGHT.

What is the NSN for 51BU?

51BU is cataloged in the U.S. Government catalog under NSN 6220-01-159-3660. This indicates validated use in U.S. government and defense supply chains.

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51BU — LENS,LIGHT

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