PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21159-0021Seal,plain Encased

Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc · NSN 5330-00-722-2454 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-722-2454 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-722-2454. Primary manufacturer part number: 21159-0021.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 0.3750 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Material: STEEL CORROSION RESISTING CASE
  • Housing Bore Diameter: 1.250 INCHES NOMINAL IN
  • Seal Width: 0.375 INCHES NOMINAL IN
  • Surface Treatment: PASSIVATE CASE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-722-2454, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-722-2454
Primary Part Number21159-0021
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerGarlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
StatusCANCELLED
Sealing Element StyleANGULAR
Accommodated Shaft Diameter0.3750 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
MaterialSTEEL CORROSION RESISTING CASE
Housing Bore Diameter1.250 INCHES NOMINAL IN
Seal Width0.375 INCHES NOMINAL IN
Surface TreatmentPASSIVATE CASE
Case StyleSQUARE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
2945-00-585-1161AC1914E6 INTERCHANGEABLE
Filter Element,fluid
Pall Aeropower Corporation
7610-01-534-358662410 INTERCHANGEABLE
Card,quick Reference
Sorenson Medical Inc.
Cross-Reference Index
Part NumberManufacturer
0518-20 Zf Industrieantriebe Witten Gmbh (DEU)
21159-0021 PRIMARY Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
50135S36 Zf Industrieantriebe Witten Gmbh (DEU)
50010L Federal-Mogul Corp Chassis Products Div (USA)
0518-20REVL Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
2945-00-585-1161INTERCHANGEABLE
FILTER ELEMENT,FLUID
AC1914E6
7610-01-534-3586INTERCHANGEABLE
CARD,QUICK REFERENCE
62410

Frequently Asked Questions

What is NSN 5330-00-722-2454?

NSN 5330-00-722-2454 is a Seal,plain Encased, manufactured by Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-722-2454?

NSN 5330-00-722-2454 has 5 cross-referenced part numbers: 0518-20 (Zf Industrieantriebe Witten Gmbh), 21159-0021 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 50135S36 (Zf Industrieantriebe Witten Gmbh), 50010L (Federal-Mogul Corp Chassis Products Div), 0518-20REVL (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 5330-00-722-2454?

There are 2 known substitutes for 5330-00-722-2454: 2945-00-585-1161, 7610-01-534-3586. Verify interchangeability with system specifications before substitution.

What are the specifications of 21159-0021?

Key specifications for 21159-0021: Sealing Element Style: ANGULAR; Accommodated Shaft Diameter: 0.3750 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT; Material: STEEL CORROSION RESISTING CASE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-722-2454 still in active supply?

NSN 5330-00-722-2454 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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