PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1856840Gasket

Northrop Grumman Systems Corporation · NSN 5330-01-078-8077 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-078-8077 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-078-8077. Primary manufacturer part number: 1856840.
Features
  • Gasket — FSC 5330
  • Center to Center Distance Between Bolt Holes Along Width: 5.550 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Aperture Length: 7.120 INCHES NOMINAL IN
  • Outside Edge to Bolt Hole Center Distance Along Width: 0.250 INCHES NOMINAL IN
  • Hole Diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Material Document and Classification: MIL-R-6855,CL 4,TY A,GR 40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: RUBBER CHLOROPRENE CLASS CR OVERALL
  • Bolt Hole Quantity: 6
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 5330-01-078-8077, 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. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-078-8077
Primary Part Number1856840
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Center to Center Distance Between Bolt Holes Along Width5.550 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Aperture Length7.120 INCHES NOMINAL IN
Outside Edge to Bolt Hole Center Distance Along Width0.250 INCHES NOMINAL IN
Hole Diameter0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Material Document and ClassificationMIL-R-6855,CL 4,TY A,GR 40 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialRUBBER CHLOROPRENE CLASS CR OVERALL
Bolt Hole Quantity6
Outside Edge to Bolt Hole Center Distance Along Length0.250 INCHES NOMINAL IN
Hardness Rating40.0 SHORE DUROMETER A MAXIMUM OVERALL
Aperture Width5.120 INCHES NOMINAL IN
Cross-Sectional Thickness0.062 INCHES NOMINAL IN
Center to Center Distance Between Bolt Holes Along Length3.750 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2920-00-363-83061906081 INTERCHANGEABLE
Guide,helical Gear
Borgwarner Pds (anderson), L.l.c.
5940-00-983-6048 INTERCHANGEABLE
Terminal Board
Cross-Reference Index
Part NumberManufacturer
37TB7 Zf Industrieantriebe Witten Gmbh (DEU)
1856840 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
2920-00-363-8306INTERCHANGEABLE
GUIDE,HELICAL GEAR
1906081
5940-00-983-6048INTERCHANGEABLE
TERMINAL BOARD

Frequently Asked Questions

What is NSN 5330-01-078-8077?

NSN 5330-01-078-8077 is a Gasket, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-078-8077?

NSN 5330-01-078-8077 has 2 cross-referenced part numbers: 37TB7 (Zf Industrieantriebe Witten Gmbh), 1856840 (Northrop Grumman Systems Corporation).

What NSN replaces 5330-01-078-8077?

There are 2 known substitutes for 5330-01-078-8077: 2920-00-363-8306, 5940-00-983-6048. Verify interchangeability with system specifications before substitution.

What are the specifications of 1856840?

Key specifications for 1856840: Center to Center Distance Between Bolt Holes Along Width: 5.550 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Aperture Length: 7.120 INCHES NOMINAL IN; Outside Edge to Bolt Hole Center Distance Along Width: 0.250 INCHES NOMINAL IN; Hole Diameter: 0.281 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. 15 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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