PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14561Seal,plain

Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp · NSN 5330-00-366-2421 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-366-2421 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-366-2421. Primary manufacturer part number: 14561.
Features
  • Seal,plain — FSC 5330
  • 2 verified cross-references
  • Primary manufacturer: Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-366-2421, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal,plain
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersWestinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (CAGE 82722); General Signal Corp (CAGE 43491)
Technical Specifications
ParameterValue
NSN5330-00-366-2421
Primary Part Number14561
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerWestinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2530-00-278-2248 INTERCHANGEABLE
Wheel Assembly,pneumatic Tire
3040-00-923-083914561 INTERCHANGEABLE
Shaft,straight
Acco-Babcock Inc Hoist and Crane Div
4210-01-081-0417 INTERCHANGEABLE
Tee,pipe to Hose,fire Fighting
6680-01-084-096414561 INTERCHANGEABLE
Float Assembly,liquid Lvel Switc
Setra Systems, Inc. Dba Gems Sensors
5360-01-238-30541-456-1 INTERCHANGEABLE
Spring,helical,compression
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Valve Division
4330-01-312-574714561 INTERCHANGEABLE
Filter Element,fluid
Liftking Manufacturing Corp
3020-01-345-3008S23017-001 INTERCHANGEABLE
Gear,bevel
B.w. Elliott Manufacturing Co., Llc
Cross-Reference Index
Part NumberManufacturer
14561 PRIMARY Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp (USA)
QT557 General Signal Corp (USA)
Related Parts
2530-00-278-2248INTERCHANGEABLE
WHEEL ASSEMBLY,PNEUMATIC TIRE
3040-00-923-0839INTERCHANGEABLE
SHAFT,STRAIGHT
14561
4210-01-081-0417INTERCHANGEABLE
TEE,PIPE TO HOSE,FIRE FIGHTING
6680-01-084-0964INTERCHANGEABLE
FLOAT ASSEMBLY,LIQUID LVEL SWITC
14561
5360-01-238-3054INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
1-456-1
4330-01-312-5747INTERCHANGEABLE
FILTER ELEMENT,FLUID
14561
3020-01-345-3008INTERCHANGEABLE
GEAR,BEVEL
S23017-001

Frequently Asked Questions

What is NSN 5330-00-366-2421?

NSN 5330-00-366-2421 is a Seal,plain, manufactured by Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-366-2421?

NSN 5330-00-366-2421 has 2 cross-referenced part numbers: 14561 (Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp), QT557 (General Signal Corp).

What NSN replaces 5330-00-366-2421?

There are 7 known substitutes for 5330-00-366-2421: 2530-00-278-2248, 3040-00-923-0839, 4210-01-081-0417 and 4 more. Verify interchangeability with system specifications before substitution.

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