PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55104Gasket

H20 Tank Inc U S Motors Div · NSN 5330-00-251-3231 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-251-3231 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-251-3231. Primary manufacturer part number: 55104.
Features
  • Gasket — FSC 5330
  • Side Radius From Gasket Center: 1.250 INCHES NOMINAL IN
  • Outside Corner Radius: 0.438 INCHES NOMINAL IN
  • Aperture Diameter: 1.750 INCHES NOMINAL IN
  • Bolt Hole Quantity: 2
  • Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
  • Hole Diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Material Document and Classification: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
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 5330-00-251-3231, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5330-00-251-3231
Primary Part Number55104
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerH20 Tank Inc U S Motors Div
StatusACTIVE
Side Radius From Gasket Center1.250 INCHES NOMINAL IN
Outside Corner Radius0.438 INCHES NOMINAL IN
Aperture Diameter1.750 INCHES NOMINAL IN
Bolt Hole Quantity2
Cross-Sectional Thickness0.031 INCHES NOMINAL IN
Hole Diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Material Document and ClassificationHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
MaterialPAPER AND GLUE AND GLYCERIN OVERALL
Bolt Circle Diameter2.500 INCHES NOMINAL IN
Style DesignatorNON-CIRCULAR
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-016-7582 INTERCHANGEABLE
Contact Positioner,terminal Crim
5360-00-260-6666858272 INTERCHANGEABLE
Spring,helical,compression
Dana Off Highway Products, Llc
5310-00-317-07655/8 LOCKWASHER INTERCHANGEABLE
Washer,lock
Drc Acquisition Inc
5306-00-354-1673 INTERCHANGEABLE
Bolt,externally Relieved Body
4710-00-435-926555-104 INTERCHANGEABLE
Tube,calibration,vacuum
Teledyne Instruments, Inc. Dba Teledyne Hastings Instruments Div Teledyne Hastings Instruments
5330-00-640-9140 INTERCHANGEABLE
Seal,plain Encased
5310-00-695-358755104 INTERCHANGEABLE
Washer,nonmetallic
Malabar
2530-01-249-5548 INTERCHANGEABLE
Weight,wheel Balancing
5995-01-332-176255104 INTERCHANGEABLE
Cable Assembly,radio Frequency
Semflex, Inc.
4720-01-391-387555104E1110A INTERCHANGEABLE
Hose Assembly,air Breathing
Hydraflow
Cross-Reference Index
Part NumberManufacturer
55104 PRIMARY H20 Tank Inc U S Motors Div (USA)
Related Parts
5120-00-016-7582INTERCHANGEABLE
CONTACT POSITIONER,TERMINAL CRIM
5360-00-260-6666INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
858272
5310-00-317-0765INTERCHANGEABLE
WASHER,LOCK
5/8 LOCKWASHER
5306-00-354-1673INTERCHANGEABLE
BOLT,EXTERNALLY RELIEVED BODY
4710-00-435-9265INTERCHANGEABLE
TUBE,CALIBRATION,VACUUM
55-104
5330-00-640-9140INTERCHANGEABLE
SEAL,PLAIN ENCASED
5310-00-695-3587INTERCHANGEABLE
WASHER,NONMETALLIC
55104
2530-01-249-5548INTERCHANGEABLE
WEIGHT,WHEEL BALANCING
5995-01-332-1762INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
55104
4720-01-391-3875INTERCHANGEABLE
HOSE ASSEMBLY,AIR BREATHING
55104E1110A
4720-01-391-3877INTERCHANGEABLE
HOSE ASSEMBLY,AIR BREATHING
4720-01-391-3879INTERCHANGEABLE
HOSE ASSEMBLY,AIR BREATHING
55104E0465A

Frequently Asked Questions

What is NSN 5330-00-251-3231?

NSN 5330-00-251-3231 is a Gasket, manufactured by H20 Tank Inc U S Motors Div, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-251-3231?

NSN 5330-00-251-3231 has 1 cross-referenced part number: 55104 (H20 Tank Inc U S Motors Div).

What NSN replaces 5330-00-251-3231?

There are 12 known substitutes for 5330-00-251-3231: 5120-00-016-7582, 5360-00-260-6666, 5310-00-317-0765 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55104?

Key specifications for 55104: Side Radius From Gasket Center: 1.250 INCHES NOMINAL IN; Outside Corner Radius: 0.438 INCHES NOMINAL IN; Aperture Diameter: 1.750 INCHES NOMINAL IN; Bolt Hole Quantity: 2. 12 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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