PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

334C251H01Gasket

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5330-00-846-4339 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-846-4339 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-846-4339. Primary manufacturer part number: 334C251H01.
Features
  • Gasket — FSC 5330
  • Center to Center Distance Between Bolt Holes Along Length: 4.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Material Document and Classification: ASTM D2000 2BC520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Bolt Hole Quantity: 8
  • Style Designator: NON-CIRCULAR
  • Center to Center Distance Between Bolt Holes Along Width: 4.062 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Outside Corner Radius: 0.250 INCHES NOMINAL IN
  • Material: RUBBER CHLOROPRENE CLASS CR OVERALL
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Chloroprene Class Cr Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-00-846-4339, 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 Dba Northrop Grumman Systems Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5330-00-846-4339
Primary Part Number334C251H01
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Center to Center Distance Between Bolt Holes Along Length4.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Material Document and ClassificationASTM D2000 2BC520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Bolt Hole Quantity8
Style DesignatorNON-CIRCULAR
Center to Center Distance Between Bolt Holes Along Width4.062 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Outside Corner Radius0.250 INCHES NOMINAL IN
MaterialRUBBER CHLOROPRENE CLASS CR OVERALL
Inside Corner Radius0.250 INCHES NOMINAL IN
Aperture Length8.500 INCHES NOMINAL IN
Hole Diameter0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Aperture Width7.375 INCHES NOMINAL IN
Hardness Rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
Outside Edge to Bolt Hole Center Distance Along Width0.250 INCHES NOMINAL IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Cross-Sectional Thickness0.125 INCHES NOMINAL IN
Outside Edge to Bolt Hole Center Distance Along Length0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-165-1848 INTERCHANGEABLE
Gasket
5310-00-254-1660 INTERCHANGEABLE
Washer,flat
5310-00-291-2753734913-27 INTERCHANGEABLE
Washer,flat
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-297-7355MIL-R-3065E INTERCHANGEABLE
Gasket
American Society for Testing and Materials Dba Astm International
5331-00-580-12172H3933 INTERCHANGEABLE
O-Ring
Caterpillar Inc Div Caterpillar Defense
5330-00-580-2011 INTERCHANGEABLE
Gasket
5310-00-599-5706 INTERCHANGEABLE
Washer,flat
9320-00-641-3391 INTERCHANGEABLE
Rubber Sheet,solid
5331-00-912-26628624710-3 INTERCHANGEABLE
O-Ring
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
5330-00-919-726411588725 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
334C251H01 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
MIL-R-3065E Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
334C251H01 Westinghouse Electric Corp (USA)
Related Parts
5330-00-165-1848INTERCHANGEABLE
GASKET
5310-00-254-1660INTERCHANGEABLE
WASHER,FLAT
5310-00-291-2753INTERCHANGEABLE
WASHER,FLAT
734913-27
5330-00-297-7355INTERCHANGEABLE
GASKET
MIL-R-3065E
5331-00-580-1217INTERCHANGEABLE
O-RING
2H3933
5330-00-580-2011INTERCHANGEABLE
GASKET
5310-00-599-5706INTERCHANGEABLE
WASHER,FLAT
9320-00-641-3391INTERCHANGEABLE
RUBBER SHEET,SOLID
5331-00-912-2662INTERCHANGEABLE
O-RING
8624710-3
5330-00-919-7264INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
11588725
5331-00-964-7291INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5330-00-846-4339?

NSN 5330-00-846-4339 is a Gasket, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-846-4339?

NSN 5330-00-846-4339 has 3 cross-referenced part numbers: 334C251H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), MIL-R-3065E (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 334C251H01 (Westinghouse Electric Corp).

What NSN replaces 5330-00-846-4339?

There are 11 known substitutes for 5330-00-846-4339: 5330-00-165-1848, 5310-00-254-1660, 5310-00-291-2753 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 334C251H01?

Key specifications for 334C251H01: Center to Center Distance Between Bolt Holes Along Length: 4.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Overall Length: 9.750 INCHES NOMINAL IN; Material Document and Classification: ASTM D2000 2BC520 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Bolt Hole Quantity: 8. 18 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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