PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17761Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-288-2578 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-288-2578 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-288-2578. Primary manufacturer part number: 17761.
Features
  • Seal,plain Encased — FSC 5330
  • Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
  • Outside Diameter: 3.630 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
  • Surface Treatment: PLASTIC CASE
  • Case Style: SQUARE
  • Accommodated Shaft Maximum Rated Speed: 3600 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 5330-00-288-2578, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-288-2578
Primary Part Number17761
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Temp Rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Outside Diameter3.630 INCHES NOMINAL IN
MaterialSTEEL CASE
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Surface TreatmentPLASTIC CASE
Case StyleSQUARE
Accommodated Shaft Maximum Rated Speed3600 FEET PER MINUTE FT
Seal Width0.438 INCHES NOMINAL IN
Housing Bore Diameter3.625 INCHES NOMINAL IN
Sealing Element StyleVERTICAL
Accommodated Shaft Diameter1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-064-70845M559-1 INTERCHANGEABLE
Transformer,power
The Boeing Company Div Defense
5950-00-188-52991776-1 INTERCHANGEABLE
Transformer,power
Electronic Transformer Corp Div Electronic Transformer Corporation
5905-01-092-49791776-1 INTERCHANGEABLE
Resistor Network,fixed,film
Caddock Electronics Inc.
5330-01-104-267717761 INTERCHANGEABLE
Gasket
Leroi International Inc Dba Compair Leroi
5325-01-395-480217761 INTERCHANGEABLE
Ring,retaining
Westerbeke Corporation
2530-01-444-672617-761 INTERCHANGEABLE
Camshaft,actuating,brake Shoe
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
6220-01-448-0491D3R0051 INTERCHANGEABLE
Light,dome
Link-Belt Cranes, L.p., Lllp
Cross-Reference Index
Part NumberManufacturer
17761 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
TX353 Cotta Transmission Co Llc (USA)
Related Parts
5950-00-064-7084INTERCHANGEABLE
TRANSFORMER,POWER
5M559-1
5950-00-188-5299INTERCHANGEABLE
TRANSFORMER,POWER
1776-1
5905-01-092-4979INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
1776-1
5330-01-104-2677INTERCHANGEABLE
GASKET
17761
5325-01-395-4802INTERCHANGEABLE
RING,RETAINING
17761
2530-01-444-6726INTERCHANGEABLE
CAMSHAFT,ACTUATING,BRAKE SHOE
17-761
6220-01-448-0491INTERCHANGEABLE
LIGHT,DOME
D3R0051

Frequently Asked Questions

What is NSN 5330-00-288-2578?

NSN 5330-00-288-2578 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 5330-00-288-2578?

NSN 5330-00-288-2578 has 2 cross-referenced part numbers: 17761 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), TX353 (Cotta Transmission Co Llc).

What NSN replaces 5330-00-288-2578?

There are 7 known substitutes for 5330-00-288-2578: 5950-00-064-7084, 5950-00-188-5299, 5905-01-092-4979 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17761?

Key specifications for 17761: Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF; Outside Diameter: 3.630 INCHES NOMINAL IN; Material: STEEL CASE; Material: RUBBER SYNTHETIC SEALING ELEMENT. 11 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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