PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2311XSeal

Flowserve Corporation Dba Flowserve Div Services Business Unit · NSN 5330-00-872-4733 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-872-4733 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-872-4733. Primary manufacturer part number: 2311X.
Features
  • Seal — FSC 5330
  • 2 verified cross-references
  • Primary manufacturer: Flowserve Corporation Dba Flowserve Div Services Business Unit
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal, cataloged under National Stock Number 5330-00-872-4733, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Flowserve Corporation Dba Flowserve Div Services Business Unit. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersFlowserve Corporation Dba Flowserve Div Services Business Unit (CAGE 57994); Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (CAGE 93232)
Technical Specifications
ParameterValue
NSN5330-00-872-4733
Primary Part Number2311X
Item NameSeal
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFlowserve Corporation Dba Flowserve Div Services Business Unit
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2640-00-995-0158 INTERCHANGEABLE
Valve,pneumatic Tire
Cross-Reference Index
Part NumberManufacturer
2311X PRIMARY Flowserve Corporation Dba Flowserve Div Services Business Unit (USA)
2311X Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
2640-00-995-0158INTERCHANGEABLE
VALVE,PNEUMATIC TIRE

Frequently Asked Questions

What is NSN 5330-00-872-4733?

NSN 5330-00-872-4733 is a Seal, manufactured by Flowserve Corporation Dba Flowserve Div Services Business Unit, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-872-4733?

NSN 5330-00-872-4733 has 2 cross-referenced part numbers: 2311X (Flowserve Corporation Dba Flowserve Div Services Business Unit), 2311X (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 5330-00-872-4733?

There is 1 known substitute for 5330-00-872-4733: 2640-00-995-0158. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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