PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51787Gasket

L3 Technologies, Inc. Div L3 Keo · NSN 5330-01-033-3247 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-033-3247 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-033-3247. Primary manufacturer part number: 51787.
Features
  • Gasket — FSC 5330
  • Material: RUBBER CHLOROPRENE CLASS CR OVERALL
  • Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION
  • Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN
  • Hardness Rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
  • Aperture Width: 0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
  • Aperture Length: 1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
  • Material Document and Classification: MIL-G-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE 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 5330-01-033-3247, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-033-3247
Primary Part Number51787
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
MaterialRUBBER CHLOROPRENE CLASS CR OVERALL
Cross-Sectional Shape StyleSOLID SINGLE OR COMPOSITION
Cross-Sectional Thickness0.031 INCHES NOMINAL IN
Hardness Rating45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL
Aperture Width0.157 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
Aperture Length1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
Material Document and ClassificationMIL-G-1149,TY 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
9540-00-255-6371 INTERCHANGEABLE
Structural Section,special Shape
2940-00-432-962451787 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5340-01-140-0378 INTERCHANGEABLE
Bumper
Cross-Reference Index
Part NumberManufacturer
887C051787 L3 Technologies, Inc. Div L3 Keo (USA)
887C051787 Zf Industrieantriebe Witten Gmbh (DEU)
51787 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
887F050071 ITEM 20 L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
9540-00-255-6371INTERCHANGEABLE
STRUCTURAL SECTION,SPECIAL SHAPE
2940-00-432-9624INTERCHANGEABLE
FILTER ELEMENT,FLUID
51787
5340-01-140-0378INTERCHANGEABLE
BUMPER

Frequently Asked Questions

What is NSN 5330-01-033-3247?

NSN 5330-01-033-3247 is a Gasket, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-033-3247?

NSN 5330-01-033-3247 has 4 cross-referenced part numbers: 887C051787 (L3 Technologies, Inc. Div L3 Keo), 887C051787 (Zf Industrieantriebe Witten Gmbh), 51787 (L3 Technologies, Inc. Div L3 Keo), 887F050071 ITEM 20 (L3 Technologies, Inc. Div L3 Keo).

What NSN replaces 5330-01-033-3247?

There are 3 known substitutes for 5330-01-033-3247: 9540-00-255-6371, 2940-00-432-9624, 5340-01-140-0378. Verify interchangeability with system specifications before substitution.

What are the specifications of 51787?

Key specifications for 51787: Material: RUBBER CHLOROPRENE CLASS CR OVERALL; Cross-Sectional Shape Style: SOLID SINGLE OR COMPOSITION; Cross-Sectional Thickness: 0.031 INCHES NOMINAL IN; Hardness Rating: 45.0 SHORE DUROMETER A MINIMUM AND 55.0 SHORE DUROMETER A MAXIMUM OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com