PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

268121Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-178-2238 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-178-2238 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-178-2238. Primary manufacturer part number: 268121.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Accommodated Shaft Diameter: 1.656 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Seal Width: 0.500 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Material: LEATHER SEALING ELEMENT
  • Sealing Element Style: ANGULAR
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 5330-00-178-2238, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-178-2238
Primary Part Number268121
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Accommodated Shaft Diameter1.656 INCHES NOMINAL IN
Case StyleSQUARE
Seal Width0.500 INCHES NOMINAL IN
MaterialSTEEL CASE
MaterialLEATHER SEALING ELEMENT
Sealing Element StyleANGULAR
Housing Bore Diameter2.686 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5315-00-023-598750073 INTERCHANGEABLE
Pin,quick Release
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
5930-00-238-706850073 INTERCHANGEABLE
Switch,pressure
Mission Systems Davenport Inc.
9905-00-527-330350073 INTERCHANGEABLE
Plate,instruction
Parker Hannifin Corporation Div Hydraulic Systems Division
1650-00-566-8237 INTERCHANGEABLE
Piston,linear Actuating Cylinder
5815-00-602-2775SM-C-426573 INTERCHANGEABLE
Bar,t,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-933-2805 INTERCHANGEABLE
Jack,tip
6150-00-990-2117 INTERCHANGEABLE
Wiring Harness
2940-01-080-960750073 INTERCHANGEABLE
Locator Angle,air Cleaner
Farr Co
4820-01-296-698022600N PIECE 45 INTERCHANGEABLE
Stem,fluid Valve
Leslie Controls, Inc. Dba Leslie Controls Inc
6525-01-386-5401268121 INTERCHANGEABLE
Envelope,radiographic Film
Picker Intl Inc
Cross-Reference Index
Part NumberManufacturer
50073 Federal-Mogul Corp Chassis Products Div (USA)
268121 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
Related Parts
5315-00-023-5987INTERCHANGEABLE
PIN,QUICK RELEASE
50073
5930-00-238-7068INTERCHANGEABLE
SWITCH,PRESSURE
50073
9905-00-527-3303INTERCHANGEABLE
PLATE,INSTRUCTION
50073
1650-00-566-8237INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
5815-00-602-2775INTERCHANGEABLE
BAR,T,TELETYPEWRITER
SM-C-426573
5935-00-933-2805INTERCHANGEABLE
JACK,TIP
6150-00-990-2117INTERCHANGEABLE
WIRING HARNESS
2940-01-080-9607INTERCHANGEABLE
LOCATOR ANGLE,AIR CLEANER
50073
4820-01-296-6980INTERCHANGEABLE
STEM,FLUID VALVE
22600N PIECE 45
6525-01-386-5401INTERCHANGEABLE
ENVELOPE,RADIOGRAPHIC FILM
268121

Frequently Asked Questions

What is NSN 5330-00-178-2238?

NSN 5330-00-178-2238 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 5330-00-178-2238?

NSN 5330-00-178-2238 has 2 cross-referenced part numbers: 50073 (Federal-Mogul Corp Chassis Products Div), 268121 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions).

What NSN replaces 5330-00-178-2238?

There are 10 known substitutes for 5330-00-178-2238: 5315-00-023-5987, 5930-00-238-7068, 9905-00-527-3303 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 268121?

Key specifications for 268121: Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Accommodated Shaft Diameter: 1.656 INCHES NOMINAL IN; Case Style: SQUARE; Seal Width: 0.500 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.
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