PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MSD984Seal,plain

Johns Manville Intl · NSN 5330-00-498-1242 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-498-1242 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-498-1242. Primary manufacturer part number: MSD984.
Features
  • Seal,plain — FSC 5330
  • Construction: SOLID
  • Seal Width: 0.312 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SINGLE LIP
  • Housing Bore Diameter: 1.625 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 0.938 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Johns Manville Intl
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-498-1242, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Johns Manville Intl. Government technical data includes 5 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-498-1242
Primary Part NumberMSD984
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerJohns Manville Intl
StatusACTIVE
ConstructionSOLID
Seal Width0.312 INCHES NOMINAL IN
Cross-Sectional Shape StyleSINGLE LIP
Housing Bore Diameter1.625 INCHES NOMINAL IN
Accommodated Shaft Diameter0.938 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3030-00-134-8266178602 INTERCHANGEABLE
Belts,v,matched Set
Cummins Inc.
1650-01-249-617268B410067-2001 INTERCHANGEABLE
Cap,linear Actuating Cylinder
The Boeing Company Div Defense
6685-01-511-4538178540 INTERCHANGEABLE
Thermometer,self-Indicating,bime
Jered Llc
Cross-Reference Index
Part NumberManufacturer
MSD984 PRIMARY Johns Manville Intl (USA)
178540 Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA)
Related Parts
3030-00-134-8266INTERCHANGEABLE
BELTS,V,MATCHED SET
178602
1650-01-249-6172INTERCHANGEABLE
CAP,LINEAR ACTUATING CYLINDER
68B410067-2001
6685-01-511-4538INTERCHANGEABLE
THERMOMETER,SELF-INDICATING,BIME
178540

Frequently Asked Questions

What is NSN 5330-00-498-1242?

NSN 5330-00-498-1242 is a Seal,plain, manufactured by Johns Manville Intl, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-498-1242?

NSN 5330-00-498-1242 has 2 cross-referenced part numbers: MSD984 (Johns Manville Intl), 178540 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).

What NSN replaces 5330-00-498-1242?

There are 3 known substitutes for 5330-00-498-1242: 3030-00-134-8266, 1650-01-249-6172, 6685-01-511-4538. Verify interchangeability with system specifications before substitution.

What are the specifications of MSD984?

Key specifications for MSD984: Construction: SOLID; Seal Width: 0.312 INCHES NOMINAL IN; Cross-Sectional Shape Style: SINGLE LIP; Housing Bore Diameter: 1.625 INCHES NOMINAL IN. 5 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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