PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26346Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-582-5739 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-582-5739 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-582-5739. Primary manufacturer part number: 26346.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 2.625 INCHES NOMINAL IN
  • Seal Width: 0.437 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A
  • Surface Treatment: PLASTIC CASE
  • Housing Bore Diameter: 3.937 INCHES NOMINAL IN
  • Outside Diameter: 3.941 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Sealing Element a construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-582-5739, 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 3 commercial cross-references from 2 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
NSN5330-00-582-5739
Primary Part Number26346
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Accommodated Shaft Diameter2.625 INCHES NOMINAL IN
Seal Width0.437 INCHES NOMINAL IN
Case StyleSQUARE
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A
Surface TreatmentPLASTIC CASE
Housing Bore Diameter3.937 INCHES NOMINAL IN
Outside Diameter3.941 INCHES NOMINAL IN
Sealing Element StyleANGULAR-OPPOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2825-00-389-9740 INTERCHANGEABLE
Seat,governor Valve
5950-00-645-5011 INTERCHANGEABLE
Reactor
4820-00-652-7173 INTERCHANGEABLE
Valve,regulating,fluid Pressure
6145-00-754-8261 INTERCHANGEABLE
Wire,electrical
2840-00-915-9923520221 INTERCHANGEABLE
Supportxbleed Valve
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
4720-01-041-307226346 INTERCHANGEABLE
Hose Assembly,metallic
Tyco Fire Products Lp
3040-01-099-0193 INTERCHANGEABLE
Cylinder Assembly,actuating,line
5365-01-184-120626346 INTERCHANGEABLE
Shim
Moog Inc. Dba Ampac-Isp Corp
4820-01-242-927213226E8379 INTERCHANGEABLE
Valve,ball
Cecom Lr Center
5310-01-333-265326346 INTERCHANGEABLE
Nut,plain,hexagon
Stanadyne Corporation Dba Stanadyne Diesel Systems
Cross-Reference Index
Part NumberManufacturer
VN7868 American Standard Inc Westinghouse Air Brake Co Div (USA)
520221 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
26346 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
2825-00-389-9740INTERCHANGEABLE
SEAT,GOVERNOR VALVE
5950-00-645-5011INTERCHANGEABLE
REACTOR
4820-00-652-7173INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
6145-00-754-8261INTERCHANGEABLE
WIRE,ELECTRICAL
2840-00-915-9923INTERCHANGEABLE
SUPPORTXBLEED VALVE
520221
4720-01-041-3072INTERCHANGEABLE
HOSE ASSEMBLY,METALLIC
26346
3040-01-099-0193INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
5365-01-184-1206INTERCHANGEABLE
SHIM
26346
4820-01-242-9272INTERCHANGEABLE
VALVE,BALL
13226E8379
5310-01-333-2653INTERCHANGEABLE
NUT,PLAIN,HEXAGON
26346
5985-01-437-5311INTERCHANGEABLE
PLATE,MOUNTING,ANTENNA COUPLER
52022-1
5985-01-461-4930INTERCHANGEABLE
PLATE,MOUNTING,ANTENNA COUPLER
52022-1

Frequently Asked Questions

What is NSN 5330-00-582-5739?

NSN 5330-00-582-5739 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 5330-00-582-5739?

NSN 5330-00-582-5739 has 3 cross-referenced part numbers: VN7868 (American Standard Inc Westinghouse Air Brake Co Div), 520221 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 26346 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-582-5739?

There are 12 known substitutes for 5330-00-582-5739: 2825-00-389-9740, 5950-00-645-5011, 4820-00-652-7173 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26346?

Key specifications for 26346: Accommodated Shaft Diameter: 2.625 INCHES NOMINAL IN; Seal Width: 0.437 INCHES NOMINAL IN; Case Style: SQUARE; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT A. 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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