Federal Military Parts (763) 310-9340
Replacement Gasket/Retainer for Windshield Washer Reservoir Tank, for HUMVEE HMMWV 5330-01-381-1810
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Replacement Rubber Gasket for the HUMVEE Windshield Washer Pump Tank. 1 Piece.
This rubber sealing grommet is meant to seal the washer pump to the fluid reservoir, isolate vibration, and prevent leaks around the pump inlet.
NSN: 5330-01-381-1810
P/N: 12342886
9/16" wide
Find Windshield Washer Reservoir Tank HERE
Find Windshield Washer Pump HERE
The National Stock Number (NSN) 5330-01-381-1810 identifies a Packing Retainer (commonly referred to as a windshield washer pump reservoir gasket or seal) primarily used in HMMWV (Humvee) military vehicles. It is designed to fit over a packing gland to retain components tightly into a narrow groove or confined space, preventing leaks from the vehicle's windshield washer fluid system.
Key Specifications & Part Alternates
- Official Item Name: Retainer, Packing (Item Name Code: 13706)
- Primary Military Part Number (P/N): 12342886
- Component Classification: FSC 5330 (Packing, Gaskets, and Seals)
- Common Application: Humvee / HMMWV windshield washer reservoir tank and pump assembly
Verified Model Compatibility
Official military maintenance repair parts lists (RPSTL) like the TM 9-2320-387-24P explicitly index this NSN for: [1]
- First-Generation A0/A1 Models: Including the base utility M998, M1025armament carriers, and M997 ambulances.
- Expanded Capacity (ECV) A2 Models: Including the M1113 and M1114 up-armored platforms.
- Modern M1100 Series Variants: Including the workhorse M1151 and M1152 configurations. [1, 2]
Where It Fits
This component serves as the specific grommet/seal that secures the washer pump into the windshield washer fluid reservoir tank (NSN 2540-01-386-8790)

