PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21158-0541Seal,plain Encased

Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc · NSN 5330-00-599-9680 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-599-9680 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-599-9680. Primary manufacturer part number: 21158-0541.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.438 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT
  • Housing Bore Diameter: 2.125 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 1.375 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-599-9680, 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 8 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-599-9680
Primary Part Number21158-0541
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerGarlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
StatusCANCELLED
Seal Width0.438 INCHES NOMINAL IN
MaterialSTEEL CASE
Accommodated Shaft Maximum Rated Speed3000 FEET PER MINUTE FT
Housing Bore Diameter2.125 INCHES NOMINAL IN
Case StyleSQUARE
Sealing Element StyleANGULAR
Accommodated Shaft Diameter1.375 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
5330-00-641-0994116867 INTERCHANGEABLE
Seal,plain Encased
Dresser, Llc
5895-01-279-51822900505-2 INTERCHANGEABLE
Frequency Multiplier
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
FM508 Ingersoll Rand Co (USA)
21158-0541 PRIMARY Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
Related Parts
5330-00-641-0994INTERCHANGEABLE
SEAL,PLAIN ENCASED
116867
5895-01-279-5182INTERCHANGEABLE
FREQUENCY MULTIPLIER
2900505-2

Frequently Asked Questions

What is NSN 5330-00-599-9680?

NSN 5330-00-599-9680 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 5330-00-599-9680?

NSN 5330-00-599-9680 has 2 cross-referenced part numbers: FM508 (Ingersoll Rand Co), 21158-0541 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc).

What NSN replaces 5330-00-599-9680?

There are 2 known substitutes for 5330-00-599-9680: 5330-00-641-0994, 5895-01-279-5182. Verify interchangeability with system specifications before substitution.

What are the specifications of 21158-0541?

Key specifications for 21158-0541: Seal Width: 0.438 INCHES NOMINAL IN; Material: STEEL CASE; Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT; Housing Bore Diameter: 2.125 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-599-9680 still in active supply?

NSN 5330-00-599-9680 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.
PartsTable Design LLC · partstable.com