PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25146Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-01-302-3576 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-302-3576 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-302-3576. Primary manufacturer part number: 25146.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: VERTICAL
  • Material: RUBBER POLYACRYLATE CLASS ACM SEALING ELEMENT A
  • Accommodated Shaft Diameter: 2.500 INCHES NOMINAL IN
  • Outside Diameter: 4.943 INCHES NOMINAL IN
  • Housing Bore Diameter: 4.937 INCHES NOMINAL IN
  • Seal Width: 0.500 INCHES NOMINAL IN
  • Material: STEEL CASE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Polyacrylate Class Acm Sealing Element a construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-302-3576, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-302-3576
Primary Part Number25146
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Sealing Element StyleVERTICAL
MaterialRUBBER POLYACRYLATE CLASS ACM SEALING ELEMENT A
Accommodated Shaft Diameter2.500 INCHES NOMINAL IN
Outside Diameter4.943 INCHES NOMINAL IN
Housing Bore Diameter4.937 INCHES NOMINAL IN
Seal Width0.500 INCHES NOMINAL IN
MaterialSTEEL CASE
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-44531985-1932 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
4820-00-416-0328205-076-365-3 INTERCHANGEABLE
Valve,check
Circor Aerospace, Inc. Dba Circor Aerospace Inc
5331-00-418-841025146 INTERCHANGEABLE
O-Ring
Barksdale, Inc
5998-01-036-329925146 INTERCHANGEABLE
Circuit Card Assembly
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5310-01-065-8836129-143 INTERCHANGEABLE
Nut,plain,hexagon
Cnh Industrial America Llc Dba Cnh America
5355-01-296-335625146 INTERCHANGEABLE
Knob
Avo Intl
6840-01-560-3177HONEY BEE DEODORANT PAK 44 INTERCHANGEABLE
Deodorant,utility
Mcgean-Rohco, Inc Div Cee-Bee Innovative Aviation Chemistry
4820-01-618-3610B-51810-17BCEA INTERCHANGEABLE
Valve,purge
Mirada Research & Manufacturing, Inc.
Cross-Reference Index
Part NumberManufacturer
25146 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
3110-00-100-4453INTERCHANGEABLE
BEARING,ROLLER,TAPERED
1985-1932
4820-00-416-0328INTERCHANGEABLE
VALVE,CHECK
205-076-365-3
5331-00-418-8410INTERCHANGEABLE
O-RING
25146
5998-01-036-3299INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
25146
5310-01-065-8836INTERCHANGEABLE
NUT,PLAIN,HEXAGON
129-143
5355-01-296-3356INTERCHANGEABLE
KNOB
25146
6840-01-560-3177INTERCHANGEABLE
DEODORANT,UTILITY
HONEY BEE DEODORANT PAK 44
4820-01-618-3610INTERCHANGEABLE
VALVE,PURGE
B-51810-17BCEA

Frequently Asked Questions

What is NSN 5330-01-302-3576?

NSN 5330-01-302-3576 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 5330-01-302-3576?

NSN 5330-01-302-3576 has 1 cross-referenced part number: 25146 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-01-302-3576?

There are 8 known substitutes for 5330-01-302-3576: 3110-00-100-4453, 4820-00-416-0328, 5331-00-418-8410 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25146?

Key specifications for 25146: Sealing Element Style: VERTICAL; Material: RUBBER POLYACRYLATE CLASS ACM SEALING ELEMENT A; Accommodated Shaft Diameter: 2.500 INCHES NOMINAL IN; Outside Diameter: 4.943 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.
PartsTable Design LLC · partstable.com