PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4911RHM1Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-123-2638 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-123-2638 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-123-2638. Primary manufacturer part number: 4911RHM1.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 0.500 INCHES NOMINAL IN
  • Outside Diameter: 0.691 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Housing Bore Diameter: 0.687 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 3600 FEET PER MINUTE FT
  • Case Style: SQUARE
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-123-2638, 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-123-2638
Primary Part Number4911RHM1
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Accommodated Shaft Diameter0.500 INCHES NOMINAL IN
Outside Diameter0.691 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Housing Bore Diameter0.687 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed3600 FEET PER MINUTE FT
Case StyleSQUARE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
Seal Width0.094 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5905-00-022-74124911 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5306-00-235-5887 INTERCHANGEABLE
Bolt,special
2940-00-354-0919148244 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
3130-00-393-96094911 INTERCHANGEABLE
Bearing Unit,roller
Rbc Aircraft Products, Inc.
5950-00-918-87154911 INTERCHANGEABLE
Coil,electrical
Gould J D Co Inc
5360-01-017-3916 INTERCHANGEABLE
Spring,helical,compression
5120-01-087-2162GS19526-1 INTERCHANGEABLE
Adapter,fuel Inlet
Hamilton Sundstrand Corporation Dba Collins Aerospace
6695-01-279-62744911 INTERCHANGEABLE
Micrometer,electronic,mutual Ind
Parker-Hannifin Corporation Div Electromechanical Automation Division
9515-01-505-65674911 INTERCHANGEABLE
Sheet,metal
Carlisle & Finch Co
Cross-Reference Index
Part NumberManufacturer
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
726624-1 Oceaneering Reflange (USA)
4911 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
4911RHM1 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5905-00-022-7412INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
4911
5306-00-235-5887INTERCHANGEABLE
BOLT,SPECIAL
2940-00-354-0919INTERCHANGEABLE
FILTER ELEMENT,FLUID
148244
3130-00-393-9609INTERCHANGEABLE
BEARING UNIT,ROLLER
4911
5950-00-918-8715INTERCHANGEABLE
COIL,ELECTRICAL
4911
5360-01-017-3916INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5120-01-087-2162INTERCHANGEABLE
ADAPTER,FUEL INLET
GS19526-1
6695-01-279-6274INTERCHANGEABLE
MICROMETER,ELECTRONIC,MUTUAL IND
4911
9515-01-505-6567INTERCHANGEABLE
SHEET,METAL
4911

Frequently Asked Questions

What is NSN 5330-00-123-2638?

NSN 5330-00-123-2638 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 5330-00-123-2638?

NSN 5330-00-123-2638 has 4 cross-referenced part numbers: 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 726624-1 (Oceaneering Reflange), 4911 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 4911RHM1 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-123-2638?

There are 9 known substitutes for 5330-00-123-2638: 5905-00-022-7412, 5306-00-235-5887, 2940-00-354-0919 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4911RHM1?

Key specifications for 4911RHM1: Accommodated Shaft Diameter: 0.500 INCHES NOMINAL IN; Outside Diameter: 0.691 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 0.687 INCHES NOMINAL IN. 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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