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172988 — SWITCH,LIQUID LEVEL

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

172988: SWITCH,LIQUID LEVEL.

The SWITCH,LIQUID LEVEL is a the manufacturer industrial component. Key specifications include end_item_identification: 1650-00-998-8688, general_characteristics_item_description: CONSISTS OF ONE EA VALVE STEM,P/N 172989;SEAT,P/N 168539. This part is cataloged in the U.S.

Government catalog under NSN 1650-00-052-9340, 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
MRO→ MRO_GENERAL→ 172988
NSN: 1650-00-052-9340
NIINs: 000529340, 015276977
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
CAGE: 90005 — PUROLATOR FACET INC. DIV PARKER AEROSPACE FILTRATION DIVISION DBA PUROLATOR FACET, IN (USA)
SPECIFICATIONS
end_item_identification1650-00-998-8688
general_characteristics_item_descriptionCONSISTS OF ONE EA VALVE STEM,P/N 172989;SEAT,P/N 168539
NSN1650-00-052-9340
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,LIQUID LEVEL TITLE COMPONENT PN 172988 MFR SWITCH,LIQUID LEVEL
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSISTS OF ONE EA VALVE STEM,P/N 172989;SEAT,P/N 168539
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSISTS OF ONE EA VALVE STEM,P/N 172989;SEAT,P/N 168539
END ITEM IDENTIFICATION1650-00-998-8688
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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 172988?
172988 is a SWITCH,LIQUID LEVEL. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 172988?
172988 is cataloged in the U.S. Government catalog under NSN 1650-00-052-9340. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.