PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

43091903Gasket

Sihi Pumps, Inc. · NSN 5330-01-111-0020 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-111-0020 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-111-0020. Primary manufacturer part number: 43091903.
Features
  • Gasket — FSC 5330
  • Style Designator: CIRCULAR
  • Material: RUBBER SYNTHETIC AND PLASTIC POLYAMIDE NYLON OVERALL
  • Aperture Diameter: 1.500 INCHES NOMINAL IN
  • Outside Diameter: 2.500 INCHES NOMINAL IN
  • Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: CLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
  • 5 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic and Plastic Polyamide Nylon Overall construction
General Description

The Gasket, cataloged under National Stock Number 5330-01-111-0020, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sihi Pumps, Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-111-0020
Primary Part Number43091903
Item NameGasket
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSihi Pumps, Inc.
StatusACTIVE
Style DesignatorCIRCULAR
MaterialRUBBER SYNTHETIC AND PLASTIC POLYAMIDE NYLON OVERALL
Aperture Diameter1.500 INCHES NOMINAL IN
Outside Diameter2.500 INCHES NOMINAL IN
Cross-Sectional Thickness0.125 INCHES NOMINAL IN
Cross-Sectional Shape StyleCLOTH AND SYNTHETIC RUBBER, NONMETALLIC MATERIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-297-988921218 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5985-00-562-8870P752D INTERCHANGEABLE
Coupler,directional
Keysight Technologies Inc
5962-01-028-2634RC3302DB INTERCHANGEABLE
Microcircuit,linear
Raytheon Company Dba Raytheon Co
5310-01-135-3368500038 INTERCHANGEABLE
Nut
Niantic Tool, Inc. Dba Niantic Tool Co
6021-01-620-8444 INTERCHANGEABLE
Switch,fiber Optic
Cross-Reference Index
Part NumberManufacturer
500.038 Zf Industrieantriebe Witten Gmbh (DEU)
500038 Sihi Pumps, Inc. (USA)
2600852-021 Envirovac Inc Dba Monogram Systems-Rockford Div (USA)
43091903 PRIMARY Sihi Pumps, Inc. (USA)
2600852-057 Envirovac Inc Dba Monogram Systems-Rockford Div (USA)
Related Parts
5330-00-297-9889INTERCHANGEABLE
SEAL,PLAIN ENCASED
21218
5985-00-562-8870INTERCHANGEABLE
COUPLER,DIRECTIONAL
P752D
5962-01-028-2634INTERCHANGEABLE
MICROCIRCUIT,LINEAR
RC3302DB
5310-01-135-3368INTERCHANGEABLE
NUT
500038
6021-01-620-8444INTERCHANGEABLE
SWITCH,FIBER OPTIC

Frequently Asked Questions

What is NSN 5330-01-111-0020?

NSN 5330-01-111-0020 is a Gasket, manufactured by Sihi Pumps, Inc., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-111-0020?

NSN 5330-01-111-0020 has 5 cross-referenced part numbers: 500.038 (Zf Industrieantriebe Witten Gmbh), 500038 (Sihi Pumps, Inc.), 2600852-021 (Envirovac Inc Dba Monogram Systems-Rockford Div), 43091903 (Sihi Pumps, Inc.), 2600852-057 (Envirovac Inc Dba Monogram Systems-Rockford Div).

What NSN replaces 5330-01-111-0020?

There are 5 known substitutes for 5330-01-111-0020: 5330-00-297-9889, 5985-00-562-8870, 5962-01-028-2634 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 43091903?

Key specifications for 43091903: Style Designator: CIRCULAR; Material: RUBBER SYNTHETIC AND PLASTIC POLYAMIDE NYLON OVERALL; Aperture Diameter: 1.500 INCHES NOMINAL IN; Outside Diameter: 2.500 INCHES NOMINAL IN. 6 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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