PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49941Seal,plain Encased

Dressta North America Ltd · NSN 5330-00-973-8742 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-973-8742 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-973-8742. Primary manufacturer part number: 49941.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 7.500 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Accommodated Shaft Diameter: 5.875 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.563 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Outside Diameter: 7.506 INCHES NOMINAL IN
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 5330-00-973-8742, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dressta North America Ltd. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-973-8742
Primary Part Number49941
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDressta North America Ltd
StatusACTIVE
Housing Bore Diameter7.500 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Accommodated Shaft Diameter5.875 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Seal Width0.563 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Outside Diameter7.506 INCHES NOMINAL IN
MaterialSTEEL CASE
Surface TreatmentPLASTIC CASE
Case StyleSQUARE
Temp Rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5935-00-846-820431-377-1000 INTERCHANGEABLE
Connector,plug,electrical
Amphenol Corporation Div Amphenol Rf
4820-01-225-915749941J INTERCHANGEABLE
Disk,valve
Griswold Industries Dba Cla-Val Co
6685-01-338-473549941 INTERCHANGEABLE
Gage,pressure,dial Indicating
Getinge Usa Inc
4730-01-478-71433244 INTERCHANGEABLE
Fitting,lubrication
Endries International, Inc. Dba Servtonics, an Endries International, Inc.
Cross-Reference Index
Part NumberManufacturer
49941 Komatsu America Corporation (USA)
RD49941 Komatsu America Corporation (USA)
49941 PRIMARY Dressta North America Ltd (USA)
58760 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5935-00-846-8204INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
31-377-1000
4820-01-225-9157INTERCHANGEABLE
DISK,VALVE
49941J
6685-01-338-4735INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
49941
4730-01-478-7143INTERCHANGEABLE
FITTING,LUBRICATION
3244

Frequently Asked Questions

What is NSN 5330-00-973-8742?

NSN 5330-00-973-8742 is a Seal,plain Encased, manufactured by Dressta North America Ltd, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-973-8742?

NSN 5330-00-973-8742 has 4 cross-referenced part numbers: 49941 (Komatsu America Corporation), RD49941 (Komatsu America Corporation), 49941 (Dressta North America Ltd), 58760 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-973-8742?

There are 4 known substitutes for 5330-00-973-8742: 5935-00-846-8204, 4820-01-225-9157, 6685-01-338-4735 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49941?

Key specifications for 49941: Housing Bore Diameter: 7.500 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Accommodated Shaft Diameter: 5.875 INCHES NOMINAL IN; Sealing Element Style: ANGULAR. 11 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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