PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18321Packing with Retainer

Leybold Usa Inc. · NSN 5330-01-229-3524 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-229-3524 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-229-3524. Primary manufacturer part number: 18321.
Features
  • Packing with Retainer — FSC 5330
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
  • Material: ALUMINUM RETAINER
  • 2 verified cross-references
  • Primary manufacturer: Leybold Usa Inc.
Applications
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Packing construction
General Description

The Packing with Retainer, cataloged under National Stock Number 5330-01-229-3524, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Leybold Usa Inc.. Government technical data includes 2 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-229-3524
Primary Part Number18321
Item NamePacking with Retainer
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerLeybold Usa Inc.
StatusACTIVE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING
MaterialALUMINUM RETAINER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5133-00-051-5750 INTERCHANGEABLE
Drill,twist
5950-00-084-3416 INTERCHANGEABLE
Coil,radio Frequency
5130-00-105-3112 INTERCHANGEABLE
Gear Cage,air Motor
4820-00-627-9798 INTERCHANGEABLE
Disk,valve
5970-01-170-932418321 INTERCHANGEABLE
Insulator,washer
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4810-01-221-20118262A264 INTERCHANGEABLE
Valve,solenoid
Automatic Switch Company Dba Asco
5340-01-588-321418321 INTERCHANGEABLE
Clamp,loop
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
18321 Leybold Vacuum Products Inc (USA)
18321 PRIMARY Leybold Usa Inc. (USA)
Related Parts
5133-00-051-5750INTERCHANGEABLE
DRILL,TWIST
5950-00-084-3416INTERCHANGEABLE
COIL,RADIO FREQUENCY
5130-00-105-3112INTERCHANGEABLE
GEAR CAGE,AIR MOTOR
4820-00-627-9798INTERCHANGEABLE
DISK,VALVE
5970-01-170-9324INTERCHANGEABLE
INSULATOR,WASHER
18321
4810-01-221-2011INTERCHANGEABLE
VALVE,SOLENOID
8262A264
5340-01-588-3214INTERCHANGEABLE
CLAMP,LOOP
18321

Frequently Asked Questions

What is NSN 5330-01-229-3524?

NSN 5330-01-229-3524 is a Packing with Retainer, manufactured by Leybold Usa Inc., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-229-3524?

NSN 5330-01-229-3524 has 2 cross-referenced part numbers: 18321 (Leybold Vacuum Products Inc), 18321 (Leybold Usa Inc.).

What NSN replaces 5330-01-229-3524?

There are 7 known substitutes for 5330-01-229-3524: 5133-00-051-5750, 5950-00-084-3416, 5130-00-105-3112 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18321?

Key specifications for 18321: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING; Material: ALUMINUM RETAINER. 2 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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