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PartsTable / COMPONENT / HL-18828 PIECE 7
HL-18828 PIECE 7 ✓ Verified by PartsTable
— · 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

The HOUSING,OIL SEAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, bonnet_type: INSIDE SCREW, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN,OPTIONAL END(PIPE) ALL ENDS, special_features: GRUMMAN,A10 AIRCRAFT;WEAPON SYSTEM ESSENTIAL, style_designator: STRAIGHT THRU. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-01-198-4330, 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
HL-18828 PIECE 7
NSN: 4310-01-198-4330
FSC: 4310
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
bonnet_typeINSIDE SCREW
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
special_featuresGRUMMAN,A10 AIRCRAFT;WEAPON SYSTEM ESSENTIAL
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
features_providedBONNET PACKING
surface_treatmentPASSIVATE
flow_control_deviceNEEDLE
nominal_thread_size0.250 INCHES ALL ENDS IN
valve_operation_methodMANUAL
NSN4310-01-198-4330
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOUSING,OIL SEAL TITLE COMPONENT PN HL-18828 PIECE 7 MFR HOUSING,OIL SEAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
3R28755Interchangeable
interchangeable cross-reference
interchangeable
KN53-02 PMXInterchangeable
interchangeable cross-reference
interchangeable
MD271-1 AND MPL-892Interchangeable
interchangeable cross-reference
interchangeable
HL-18828 PIECE 258Interchangeable
interchangeable cross-reference
interchangeable
HL-18828Interchangeable
interchangeable cross-reference
interchangeable
X-HUS-18Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HL-18828 PIECE 7?
HL-18828 PIECE 7 is a HOUSING,OIL SEAL.
What parts can replace HL-18828 PIECE 7?
There are 8 known substitutes for HL-18828 PIECE 7: 3R28755, KN53-02 PMX, MD271-1 AND MPL-892 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HL-18828 PIECE 7?
HL-18828 PIECE 7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-01-198-4330. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026