PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25577Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-215-5471 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-215-5471 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-215-5471. Primary manufacturer part number: 25577.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 2.562 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Surface Treatment: PLASTIC CASE
  • Sealing Element Style: ANGULAR
  • Material: LEATHER AND RUBBER SYNTHETIC SEALING ELEMENT
  • Seal Width: 0.500 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-215-5471, 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 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-215-5471
Primary Part Number25577
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Accommodated Shaft Diameter2.562 INCHES NOMINAL IN
MaterialSTEEL CASE
Surface TreatmentPLASTIC CASE
Sealing Element StyleANGULAR
MaterialLEATHER AND RUBBER SYNTHETIC SEALING ELEMENT
Seal Width0.500 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Outside Diameter3.505 INCHES NOMINAL IN
Case StyleSQUARE
Housing Bore Diameter3.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-3539130504H INTERCHANGEABLE
Cone and Rollers,tapered Roller
Navistar Intl Corp Truck Br Ohio Plant
3110-00-101-0801346 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5330-00-224-1751H1617-92A INTERCHANGEABLE
Rod Packing
Hydranamics Inc
3455-00-250-0768 INTERCHANGEABLE
Cutter,milling,end
3455-00-250-07691727-0187 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
3455-00-250-0770 INTERCHANGEABLE
Cutter,milling,end
5315-00-251-65085187 INTERCHANGEABLE
Pin,lock
Enjet Aero Dayton Inc
5310-00-489-9819 INTERCHANGEABLE
Washer,spring Tension
3020-00-737-12077371207 INTERCHANGEABLE
Gear,helical
U S Army Tank Automotive Command Amsta-Im-Mm
6515-00-817-25301887 INTERCHANGEABLE
Cuff,sphygmomanometer
W. a. Baum Co., Inc. Dba Wa Baum Co Inc
Cross-Reference Index
Part NumberManufacturer
25577 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
350-218 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
1887 Royal Appliance Mfg. Co. (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
Related Parts
3110-00-100-3539INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
130504H
3110-00-101-0801INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
346
5330-00-224-1751INTERCHANGEABLE
ROD PACKING
H1617-92A
3455-00-250-0768INTERCHANGEABLE
CUTTER,MILLING,END
3455-00-250-0769INTERCHANGEABLE
CUTTER,MILLING,END
1727-0187
3455-00-250-0770INTERCHANGEABLE
CUTTER,MILLING,END
5315-00-251-6508INTERCHANGEABLE
PIN,LOCK
5187
5310-00-489-9819INTERCHANGEABLE
WASHER,SPRING TENSION
3020-00-737-1207INTERCHANGEABLE
GEAR,HELICAL
7371207
6515-00-817-2530INTERCHANGEABLE
CUFF,SPHYGMOMANOMETER
1887
5815-00-916-8690INTERCHANGEABLE
HAMMER,STOP
6002-534
5920-00-945-1632INTERCHANGEABLE
FUSEHOLDER,BLOCK
350218

Frequently Asked Questions

What is NSN 5330-00-215-5471?

NSN 5330-00-215-5471 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 5330-00-215-5471?

NSN 5330-00-215-5471 has 4 cross-referenced part numbers: 25577 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 350-218 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 1887 (Royal Appliance Mfg. Co.), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).

What NSN replaces 5330-00-215-5471?

There are 12 known substitutes for 5330-00-215-5471: 3110-00-100-3539, 3110-00-101-0801, 5330-00-224-1751 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25577?

Key specifications for 25577: Accommodated Shaft Diameter: 2.562 INCHES NOMINAL IN; Material: STEEL CASE; Surface Treatment: PLASTIC CASE; Sealing Element Style: ANGULAR. 10 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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