PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52548Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-641-0999 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-641-0999 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-641-0999. Primary manufacturer part number: 52548.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Sealing Element Style: ANGULAR
  • Seal Width: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
  • Housing Bore Diameter: 5.251 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 4.250 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather or Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-641-0999, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-641-0999
Primary Part Number52548
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusCANCELLED
Case StyleSQUARE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Sealing Element StyleANGULAR
Seal Width0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
Housing Bore Diameter5.251 INCHES NOMINAL IN
Accommodated Shaft Diameter4.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5961-00-082-1617 INTERCHANGEABLE
Transistor
2805-00-384-8172266A INTERCHANGEABLE
Wire Lock,oil Pump
Brinkley Technology Group Llc Dba Hercules Manufacturing
5342-00-401-655555-195 INTERCHANGEABLE
Clip
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
4720-00-408-942255195 INTERCHANGEABLE
Hose,radiator
Dressta North America Ltd
5315-00-492-3080SL20239 INTERCHANGEABLE
Pin
Sps Technologies Llc Dba Shur-Lok Company Div Aerospace Engineered Products Division
5950-00-647-823755195 INTERCHANGEABLE
Transformer,radio Frequency
L3harris Technologies, Inc Div Space & Airborne Systems
5340-00-963-11515519-5 INTERCHANGEABLE
Strike,catch
Goodrich Aerospace Canada Ltd
5930-01-019-520955195 INTERCHANGEABLE
Switch,pressure
Hdt Expeditionary Systems Inc
6130-01-287-1326G52548 INTERCHANGEABLE
Rectifier,metallic
National Oil Well Dba Iec Baylor
5999-01-428-9070 INTERCHANGEABLE
Shielding Gasket,electronic
Cross-Reference Index
Part NumberManufacturer
55195 Cooper Cameron Corp Ajax-Superior Div (USA)
5330-383000 Chief of Engineers Dept of Army (USA)
52548 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
XX376-5330-383000 Chief of Engineers Dept of Army (USA)
XCR52548 Blue Tee Corp. Dba Gefco (USA)
2H3846 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5961-00-082-1617INTERCHANGEABLE
TRANSISTOR
2805-00-384-8172INTERCHANGEABLE
WIRE LOCK,OIL PUMP
266A
5342-00-401-6555INTERCHANGEABLE
CLIP
55-195
4720-00-408-9422INTERCHANGEABLE
HOSE,RADIATOR
55195
5315-00-492-3080INTERCHANGEABLE
PIN
SL20239
5950-00-647-8237INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
55195
5340-00-963-1151INTERCHANGEABLE
STRIKE,CATCH
5519-5
5930-01-019-5209INTERCHANGEABLE
SWITCH,PRESSURE
55195
6130-01-287-1326INTERCHANGEABLE
RECTIFIER,METALLIC
G52548
5999-01-428-9070INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC

Frequently Asked Questions

What is NSN 5330-00-641-0999?

NSN 5330-00-641-0999 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-641-0999?

NSN 5330-00-641-0999 has 7 cross-referenced part numbers: 55195 (Cooper Cameron Corp Ajax-Superior Div), 5330-383000 (Chief of Engineers Dept of Army), 52548 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), XX376-5330-383000 (Chief of Engineers Dept of Army) and 2 more.

What NSN replaces 5330-00-641-0999?

There are 10 known substitutes for 5330-00-641-0999: 5961-00-082-1617, 2805-00-384-8172, 5342-00-401-6555 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52548?

Key specifications for 52548: Case Style: SQUARE; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT; Sealing Element Style: ANGULAR. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-641-0999 still in active supply?

NSN 5330-00-641-0999 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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