PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49301Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-01-363-0276 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-363-0276 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-363-0276. Primary manufacturer part number: 49301.
Features
  • Seal,plain Encased — FSC 5330
  • Seal Width: 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
  • Sealing Element Style: ANGULAR
  • Outside Diameter: 6.256 INCHES NOMINAL IN
  • Material: RUBBER BUTADIENE NITRILE SEALING ELEMENT
  • Accommodated Shaft Diameter: 4.938 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Housing Bore Diameter: 6.254 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene Nitrile Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-363-0276, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 8 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-363-0276
Primary Part Number49301
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Seal Width0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN
Sealing Element StyleANGULAR
Outside Diameter6.256 INCHES NOMINAL IN
MaterialRUBBER BUTADIENE NITRILE SEALING ELEMENT
Accommodated Shaft Diameter4.938 INCHES NOMINAL IN
Case StyleSQUARE
Housing Bore Diameter6.254 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN
Surface TreatmentPLASTIC CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5325-00-141-7306 INTERCHANGEABLE
Fastener,spring Tension,trim
6625-00-491-7808 INTERCHANGEABLE
Ammeter
5935-00-860-9551493-01 INTERCHANGEABLE
Dummy Plug,telephone
Switchcraft Inc.
5930-01-349-937949301 INTERCHANGEABLE
Switch,toggle
Hdt Expeditionary Systems Inc
1680-01-391-298749301 INTERCHANGEABLE
Lever,remote Control
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
6352161 Naval Sea Systems Command (USA)
455069 Federal-Mogul Corp Chassis Products Div (USA)
49301 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
6574398 PART 28 Naval Sea Systems Command (USA)
Related Parts
5325-00-141-7306INTERCHANGEABLE
FASTENER,SPRING TENSION,TRIM
6625-00-491-7808INTERCHANGEABLE
AMMETER
5935-00-860-9551INTERCHANGEABLE
DUMMY PLUG,TELEPHONE
493-01
5930-01-349-9379INTERCHANGEABLE
SWITCH,TOGGLE
49301
1680-01-391-2987INTERCHANGEABLE
LEVER,REMOTE CONTROL
49301

Frequently Asked Questions

What is NSN 5330-01-363-0276?

NSN 5330-01-363-0276 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-363-0276?

NSN 5330-01-363-0276 has 4 cross-referenced part numbers: 6352161 (Naval Sea Systems Command), 455069 (Federal-Mogul Corp Chassis Products Div), 49301 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 6574398 PART 28 (Naval Sea Systems Command).

What NSN replaces 5330-01-363-0276?

There are 5 known substitutes for 5330-01-363-0276: 5325-00-141-7306, 6625-00-491-7808, 5935-00-860-9551 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49301?

Key specifications for 49301: Seal Width: 0.548 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR; Outside Diameter: 6.256 INCHES NOMINAL IN; Material: RUBBER BUTADIENE NITRILE SEALING ELEMENT. 8 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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