99138554 — Technical Data Sheet

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ALFA LAVAL INC · COMPONENT

WHAT YOU NEED TO KNOW

Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel

Confirm exact part number — similar PNs may be different parts

PRODUCT OVERVIEW

GLASS,LIQUID SIGHT INDICATOR,ROU. Key specifications include MATERIAL: PLASTIC ACRYLIC, OVERALL WIDTH: 0.250 INCHES NOMINAL IN, OVERALL DIAMETER: 2.570 INCHES NOMINAL IN, SPECIAL FEATURES: CLEAR FOR VIEWING, PART NAME ASSIGNED BY CONTROLLING AGENCY: ROUND SIGHT GLASS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 6680-01-148-8126, 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

99138554

NSN: 6680-01-148-8126
FSC: 6680
CAGE: 71871 — ALFA LAVAL INC (USA)

SPECIFICATIONS

MATERIAL	PLASTIC ACRYLIC
OVERALL WIDTH	0.250 INCHES NOMINAL IN
OVERALL DIAMETER	2.570 INCHES NOMINAL IN
SPECIAL FEATURES	CLEAR FOR VIEWING
PART NAME ASSIGNED BY CONTROLLING AGENCY	ROUND SIGHT GLASS
NSN	6680-01-148-8126

COMPONENT DIAGRAM

KEY FEATURES

•

MATERIAL: PLASTIC ACRYLIC

•

OVERALL DIAMETER: 2.570 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

PART NAME ASSIGNED BY CONTROLLING AGENCY	ROUND SIGHT GLASS
MATERIAL	PLASTIC ACRYLIC
SPECIAL FEATURES	CLEAR FOR VIEWING
OVERALL DIAMETER	2.570 INCHES NOMINAL IN
OVERALL WIDTH	0.250 INCHES NOMINAL IN

VERIFIED SUBSTITUTES & CROSS-REFERENCES 4

AA239InterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

A239InterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

38554InterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

4330PL0653664InterchangeableGOVERNMENT REGISTRY

Same NIIN cross-reference

interchangeable

LIFECYCLE

StatusACTIVEGOVERNMENT REGISTRY

AvailabilityOEM and secondary market

RoHS CompliantEAR99Not HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is 99138554?

99138554 is a GLASS,LIQUID SIGHT INDICATOR,ROU manufactured by ALFA LAVAL INC.

What parts can replace 99138554?

There are 4 known substitutes for 99138554: AA239, A239, 38554 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 99138554?

99138554 is cataloged in the Federal Logistics Information System under NSN 6680-01-148-8126. This indicates validated use in U.S. government and defense supply chains.

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99138554 — Technical Data Sheet

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