PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D15-551PPC499-508Seal Assembly

Northrop Grumman Systems Corporation Div Marine Systems · NSN 5330-00-216-9369 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-216-9369 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-216-9369. Primary manufacturer part number: D15-551PPC499-508.
Features
  • Seal Assembly — FSC 5330
  • General Characteristics Item Description: 4.375 IN. OD,1.875 IN. ID,3.249 IN. DIA OF SHOULDER,0.750 IN. W,0.625 IN. W OF SHOULDER,SIX 0.281 IN. DIA HOLES EQUALLY SPACED ON 3.750 IN. DIA BOLT CIRCLE IN
  • 7 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Div Marine Systems
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal Assembly, cataloged under National Stock Number 5330-00-216-9369, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Div Marine Systems. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-216-9369
Primary Part NumberD15-551PPC499-508
Item NameSeal Assembly
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Div Marine Systems
StatusACTIVE
General Characteristics Item Description4.375 IN. OD,1.875 IN. ID,3.249 IN. DIA OF SHOULDER,0.750 IN. W,0.625 IN. W OF SHOULDER,SIX 0.281 IN. DIA HOLES EQUALLY SPACED ON 3.750 IN. DIA BOLT CIRCLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2910-00-364-4995 INTERCHANGEABLE
Swivel,rod End Connector
2805-00-395-7778 INTERCHANGEABLE
Ball,by-Pass Valve
4510-00-401-40834684-8 INTERCHANGEABLE
Restrictor,toilet
Mag Aerospace Industries, Llc Div Safran Cabins
2940-00-445-0685AF0026400 INTERCHANGEABLE
Filter Element,intake Air Cleane
Cummins Filtration Inc Dba Fleetguard Div Cummins Inc
2520-00-508-15662-0053 INTERCHANGEABLE
Spider,universal Joint,vehicular
Neapco Inc
5945-00-969-2701 INTERCHANGEABLE
Plunger,solenoid
4820-01-061-13702849 INTERCHANGEABLE
Parts Kit,safety Relief Valve
Templeton Kenly and Co Inc
7050-01-203-8300MIS-28547/2 INTERCHANGEABLE
Converter,digital to Analog
Airtech Instrument and Gauge
4320-01-301-7953280490A INTERCHANGEABLE
Plate,backup
Mc Farland Pump Co Llc
5325-01-364-146828-49 INTERCHANGEABLE
Ring,retaining
Stryker Corporation Div Use for Open Payments Only
Cross-Reference Index
Part NumberManufacturer
D15-698-0PC499-500 Northrop Grumman Systems Corporation Div Marine Systems (USA)
2849 Westinghouse Electric Corp Sturtevant Div (USA)
D15-551PPC499-508 PRIMARY Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-698-0PC499-500 Westinghouse Electric Corp (USA)
2849 Westinghouse Electric Corp (USA)
D15-551PPC499-508 Westinghouse Electric Corp (USA)
2849 Northrop Grumman Systems Corporation Div Marine Systems (USA)
Related Parts
2910-00-364-4995INTERCHANGEABLE
SWIVEL,ROD END CONNECTOR
2805-00-395-7778INTERCHANGEABLE
BALL,BY-PASS VALVE
4510-00-401-4083INTERCHANGEABLE
RESTRICTOR,TOILET
4684-8
2940-00-445-0685INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
AF0026400
2520-00-508-1566INTERCHANGEABLE
SPIDER,UNIVERSAL JOINT,VEHICULAR
2-0053
5945-00-969-2701INTERCHANGEABLE
PLUNGER,SOLENOID
4820-01-061-1370INTERCHANGEABLE
PARTS KIT,SAFETY RELIEF VALVE
2849
7050-01-203-8300INTERCHANGEABLE
CONVERTER,DIGITAL TO ANALOG
MIS-28547/2
4320-01-301-7953INTERCHANGEABLE
PLATE,BACKUP
280490A
5325-01-364-1468INTERCHANGEABLE
RING,RETAINING
28-49
7021-01-555-4605INTERCHANGEABLE
COMPUTER SUBASSEMBLY
03N5853
5340-01-603-1676INTERCHANGEABLE
BUMPER
2849

Frequently Asked Questions

What is NSN 5330-00-216-9369?

NSN 5330-00-216-9369 is a Seal Assembly, manufactured by Northrop Grumman Systems Corporation Div Marine Systems, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-216-9369?

NSN 5330-00-216-9369 has 7 cross-referenced part numbers: D15-698-0PC499-500 (Northrop Grumman Systems Corporation Div Marine Systems), 2849 (Westinghouse Electric Corp Sturtevant Div), D15-551PPC499-508 (Northrop Grumman Systems Corporation Div Marine Systems), D15-698-0PC499-500 (Westinghouse Electric Corp), 2849 (Westinghouse Electric Corp) and 2 more.

What NSN replaces 5330-00-216-9369?

There are 12 known substitutes for 5330-00-216-9369: 2910-00-364-4995, 2805-00-395-7778, 4510-00-401-4083 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D15-551PPC499-508?

Key specifications for D15-551PPC499-508: General Characteristics Item Description: 4.375 IN. OD,1.875 IN. ID,3.249 IN. DIA OF SHOULDER,0.750 IN. W,0.625 IN. W OF SHOULDER,SIX 0.281 IN. DIA HOLES EQUALLY SPACED ON 3.750 IN. DIA BOLT CIRCLE IN. 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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