4M642A4 — RING,LANTERN

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4M642A4: RING,LANTERN.

The RING,LANTERN is a the manufacturer industrial component. Key specifications include height: 0.375 INCHES NOMINAL IN, material: COPPER ALLOY OVERALL, inside_diameter: 6.000 INCHES NOMINAL IN, outside_diameter: 6.438 INCHES NOMINAL IN, material_document_and_classification: MIL-M-16576 GR.A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-218-1791, 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

4M642A4

NSN: 4320-01-218-1791
FSC: 4320 — Power and Hand Pumps
CAGE: 51900 — ITT CORPORATION DBA ITT STANDARD (USA)

SPECIFICATIONS

height	0.375 INCHES NOMINAL IN
material	COPPER ALLOY OVERALL
inside_diameter	6.000 INCHES NOMINAL IN
outside_diameter	6.438 INCHES NOMINAL IN
material_document_and_classification	MIL-M-16576 GR.A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	4320-01-218-1791

COMPONENT DIAGRAM

KEY FEATURES

•

OUTSIDE DIAMETER: 6.438 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-M-16576 GR.A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

INSIDE DIAMETER: 6.000 INCHES NOMINAL IN

•

HEIGHT: 0.375 INCHES NOMINAL IN

•

MATERIAL: COPPER ALLOY OVERALL

TECHNICAL CHARACTERISTICS

OUTSIDE DIAMETER	6.438 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-M-16576 GR.A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
INSIDE DIAMETER	6.000 INCHES NOMINAL IN
HEIGHT	0.375 INCHES NOMINAL IN
MATERIAL	COPPER ALLOY OVERALL

SUBSTITUTES & CROSS-REFERENCES 3

3LR3001Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

4M642A4 PIECE 6Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

3LR3001-6Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 4M642A4?

4M642A4 is a RING,LANTERN.

What parts can replace 4M642A4?

There are 3 known substitutes for 4M642A4: 3LR3001, 4M642A4 PIECE 6, 3LR3001-6. Substitute compatibility should be verified for your specific system.

What is the NSN for 4M642A4?

4M642A4 is cataloged in the U.S. Government catalog under NSN 4320-01-218-1791. This indicates validated use in U.S. government and defense supply chains.

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