PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AD-SP-1106-W/SEATSSeal Assembly

Defense Maritime Solutions, Inc. · NSN 4320-00-393-3386 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-393-3386 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-393-3386. Primary manufacturer part number: AD-SP-1106-W/SEATS.
Features
  • Seal Assembly — FSC 4320
  • General Characteristics Item Description: CONSIST OF WATER SEAL AND FLOATING SEAT
  • 6 verified cross-references
  • Primary manufacturer: Defense Maritime Solutions, Inc.
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal Assembly, cataloged under National Stock Number 4320-00-393-3386, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Defense Maritime Solutions, Inc.. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-393-3386
Primary Part NumberAD-SP-1106-W/SEATS
Item NameSeal Assembly
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDefense Maritime Solutions, Inc.
StatusACTIVE
General Characteristics Item DescriptionCONSIST OF WATER SEAL AND FLOATING SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5910-00-057-5743 INTERCHANGEABLE
Capacitor,variable,air Dielectri
5310-00-214-319844062HA INTERCHANGEABLE
Nut,plain,hexagon
Elliott Company Div Jeannette
5930-00-241-8918 INTERCHANGEABLE
Switch,toggle
5360-00-490-4196 INTERCHANGEABLE
Spring,helical,compression
5950-00-674-1055 INTERCHANGEABLE
Coil,radio Frequency
5955-00-736-4654CY-2857/U INTERCHANGEABLE
Case,crystal Unit Set
Joint Electronics Type Designation System
5930-01-227-37388337 INTERCHANGEABLE
Switch,pressure
Hydra-Electric Company Dba Hydra-Electric Co
5136-01-431-64921737 INTERCHANGEABLE
Tap,thread Cutting
Stanley Tools Div of Stanley Works
5360-01-494-0940 INTERCHANGEABLE
Spring,helical,torsion
5995-01-536-84618337 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden Wire and Cable Co Distribution Center
Cross-Reference Index
Part NumberManufacturer
AD-SP-1106-W/SEATS PRIMARY Defense Maritime Solutions, Inc. (USA)
AD-SP-1106-W/SEATS Wartsila Lips Inc (USA)
F8390GPC7 Lear Siegler Inc Sherwood Div (USA)
8337 Lear Siegler Inc Sherwood Div (USA)
AD-SP-1106-W/SEATS John Crane, Inc (USA)
F8390GPC5-6 Lear Siegler Inc Sherwood Div (USA)
Related Parts
5910-00-057-5743INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
5310-00-214-3198INTERCHANGEABLE
NUT,PLAIN,HEXAGON
44062HA
5930-00-241-8918INTERCHANGEABLE
SWITCH,TOGGLE
5360-00-490-4196INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5950-00-674-1055INTERCHANGEABLE
COIL,RADIO FREQUENCY
5955-00-736-4654INTERCHANGEABLE
CASE,CRYSTAL UNIT SET
CY-2857/U
5930-01-227-3738INTERCHANGEABLE
SWITCH,PRESSURE
8337
5136-01-431-6492INTERCHANGEABLE
TAP,THREAD CUTTING
1737
5360-01-494-0940INTERCHANGEABLE
SPRING,HELICAL,TORSION
5995-01-536-8461INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
8337
6530-01-597-6763INTERCHANGEABLE
COVER,SURGICAL INSTRUMENT STAND
8337

Frequently Asked Questions

What is NSN 4320-00-393-3386?

NSN 4320-00-393-3386 is a Seal Assembly, manufactured by Defense Maritime Solutions, Inc., classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-393-3386?

NSN 4320-00-393-3386 has 6 cross-referenced part numbers: AD-SP-1106-W/SEATS (Defense Maritime Solutions, Inc.), AD-SP-1106-W/SEATS (Wartsila Lips Inc), F8390GPC7 (Lear Siegler Inc Sherwood Div), 8337 (Lear Siegler Inc Sherwood Div), AD-SP-1106-W/SEATS (John Crane, Inc) and 1 more.

What NSN replaces 4320-00-393-3386?

There are 11 known substitutes for 4320-00-393-3386: 5910-00-057-5743, 5310-00-214-3198, 5930-00-241-8918 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AD-SP-1106-W/SEATS?

Key specifications for AD-SP-1106-W/SEATS: General Characteristics Item Description: CONSIST OF WATER SEAL AND FLOATING SEAT. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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