PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55580Gasket

H20 Tank Inc U S Motors Div · NSN 5330-00-251-3184 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-251-3184 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-251-3184. Primary manufacturer part number: 55580.
Features
  • Gasket — FSC 5330
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Bolt Circle Diameter: 5.375 INCHES NOMINAL IN
  • Hole Diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Bolt Hole Quantity: 6
  • Material Document and Classification: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
  • Outside Diameter: 6.000 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.006 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Paper and Glue and Glycerin Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-251-3184, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is H20 Tank Inc U S Motors Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-251-3184
Primary Part Number55580
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerH20 Tank Inc U S Motors Div
StatusCANCELLED
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Bolt Circle Diameter5.375 INCHES NOMINAL IN
Hole Diameter0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Bolt Hole Quantity6
Material Document and ClassificationHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
Outside Diameter6.000 INCHES NOMINAL IN
Cross-Sectional Thickness0.006 INCHES NOMINAL IN
Aperture Diameter4.000 INCHES NOMINAL IN
Style DesignatorCIRCULAR
MaterialPAPER AND GLUE AND GLYCERIN OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5310-00-220-667100252 INTERCHANGEABLE
Nut,plain,hexagon
Defense Logistics Agency Dba Defense Supply Center Philadelphia
3455-00-250-0770 INTERCHANGEABLE
Cutter,milling,end
1650-00-465-3738R9W1146-826-2 INTERCHANGEABLE
Filter Element,fluid
Falls Filtration Technologies, Inc.
5910-00-648-791155580 INTERCHANGEABLE
Capacitor,variable,air Dielectri
Viking Technologies, Ltd.
5330-00-810-998363X1756 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
4820-01-038-2313VCL4P05A INTERCHANGEABLE
Valve,check
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
1080-01-541-30992KP761 INTERCHANGEABLE
Cover,camouflage Screening
Oshkosh Defense Llc
Cross-Reference Index
Part NumberManufacturer
RB20-14 Paragon Power Inc Sub of Great Lakes Power Products Inc (USA)
55580 PRIMARY H20 Tank Inc U S Motors Div (USA)
955580 PRIMARY H20 Tank Inc U S Motors Div (USA)
Related Parts
5310-00-220-6671INTERCHANGEABLE
NUT,PLAIN,HEXAGON
00252
3455-00-250-0770INTERCHANGEABLE
CUTTER,MILLING,END
1650-00-465-3738INTERCHANGEABLE
FILTER ELEMENT,FLUID
R9W1146-826-2
5910-00-648-7911INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
55580
5330-00-810-9983INTERCHANGEABLE
SEAL,PLAIN ENCASED
63X1756
4820-01-038-2313INTERCHANGEABLE
VALVE,CHECK
VCL4P05A
1080-01-541-3099INTERCHANGEABLE
COVER,CAMOUFLAGE SCREENING
2KP761

Frequently Asked Questions

What is NSN 5330-00-251-3184?

NSN 5330-00-251-3184 is a Gasket, manufactured by H20 Tank Inc U S Motors Div, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-251-3184?

NSN 5330-00-251-3184 has 3 cross-referenced part numbers: RB20-14 (Paragon Power Inc Sub of Great Lakes Power Products Inc), 55580 (H20 Tank Inc U S Motors Div), 955580 (H20 Tank Inc U S Motors Div).

What NSN replaces 5330-00-251-3184?

There are 7 known substitutes for 5330-00-251-3184: 5310-00-220-6671, 3455-00-250-0770, 1650-00-465-3738 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55580?

Key specifications for 55580: Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Bolt Circle Diameter: 5.375 INCHES NOMINAL IN; Hole Diameter: 0.344 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Bolt Hole Quantity: 6. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-251-3184 still in active supply?

NSN 5330-00-251-3184 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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