PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25100Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-526-5633 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-526-5633 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-526-5633. Primary manufacturer part number: 25100.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: SQUARE
  • Housing Bore Diameter: 3.876 INCHES NOMINAL IN
  • Surface Treatment: PLASTIC CASE
  • Accommodated Shaft Diameter: 2.500 INCHES NOMINAL IN
  • Outside Diameter: 3.881 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
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 5330-00-526-5633, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-526-5633
Primary Part Number25100
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusCANCELLED
Case StyleSQUARE
Housing Bore Diameter3.876 INCHES NOMINAL IN
Surface TreatmentPLASTIC CASE
Accommodated Shaft Diameter2.500 INCHES NOMINAL IN
Outside Diameter3.881 INCHES NOMINAL IN
Sealing Element StyleANGULAR
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Seal Width0.438 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5330-00-379-432723512675 INTERCHANGEABLE
Gasket Set
Rolls-Royce Solutions America Inc
5930-00-596-81157615K4 INTERCHANGEABLE
Switch,toggle
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
5133-00-865-422688812 INTERCHANGEABLE
Bit,spade,wood Boring
Stanley Tools Div of Stanley Works
5975-01-036-0906SH-106 INTERCHANGEABLE
Entrance Cap,electrical
Abb Installation Products Inc
4720-01-538-1687 INTERCHANGEABLE
Hose Assembly,nonmetallic
6515-01-581-815570000H INTERCHANGEABLE
Ventilator,volume,portable
Automedx, Llc
8465-01-678-063325105 INTERCHANGEABLE
Belt,individual Equipment
Safariland Government Sales Inc
5999-01-718-960425105-SHW INTERCHANGEABLE
Puller,impeller
Pentair Flow Technologies, Llc
Cross-Reference Index
Part NumberManufacturer
25100 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
25105 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5330-00-379-4327INTERCHANGEABLE
GASKET SET
23512675
5930-00-596-8115INTERCHANGEABLE
SWITCH,TOGGLE
7615K4
5133-00-865-4226INTERCHANGEABLE
BIT,SPADE,WOOD BORING
88812
5975-01-036-0906INTERCHANGEABLE
ENTRANCE CAP,ELECTRICAL
SH-106
4720-01-538-1687INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
6515-01-581-8155INTERCHANGEABLE
VENTILATOR,VOLUME,PORTABLE
70000H
8465-01-678-0633INTERCHANGEABLE
BELT,INDIVIDUAL EQUIPMENT
25105
5999-01-718-9604INTERCHANGEABLE
PULLER,IMPELLER
25105-SHW

Frequently Asked Questions

What is NSN 5330-00-526-5633?

NSN 5330-00-526-5633 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 5330-00-526-5633?

NSN 5330-00-526-5633 has 3 cross-referenced part numbers: 25100 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 25105 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-526-5633?

There are 8 known substitutes for 5330-00-526-5633: 5330-00-379-4327, 5930-00-596-8115, 5133-00-865-4226 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25100?

Key specifications for 25100: Case Style: SQUARE; Housing Bore Diameter: 3.876 INCHES NOMINAL IN; Surface Treatment: PLASTIC CASE; Accommodated Shaft Diameter: 2.500 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-526-5633 still in active supply?

NSN 5330-00-526-5633 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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