PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

278124Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-178-2287 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-178-2287 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-178-2287. Primary manufacturer part number: 278124.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 2.783 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Case Style: SQUARE
  • Accommodated Shaft Diameter: 1.750 INCHES NOMINAL IN
  • Seal Width: 0.531 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Material: LEATHER SEALING ELEMENT
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 5330-00-178-2287, 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 42 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-178-2287
Primary Part Number278124
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Housing Bore Diameter2.783 INCHES NOMINAL IN
MaterialSTEEL CASE
Case StyleSQUARE
Accommodated Shaft Diameter1.750 INCHES NOMINAL IN
Seal Width0.531 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
MaterialLEATHER SEALING ELEMENT
Sealing Element StyleANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4720-01-075-5070 INTERCHANGEABLE
Hose,nonmetallic
Cross-Reference Index
Part NumberManufacturer
7005PC29 Cooper Industries Inc Industrial Machinery Div (USA)
2410PC29 Cooper Industries Inc Industrial Machinery Div (USA)
4405PC29 Cooper Industries Inc Industrial Machinery Div (USA)
2105PC29 Cooper Industries Inc Industrial Machinery Div (USA)
7001PC29 Cooper Industries Inc Dba Cooper Tools (USA)
2305PC29 Cooper Industries Inc Dba Cooper Tools (USA)
2102PC29 Cooper Industries Inc Dba Cooper Tools (USA)
4402PC29 Cooper Industries Inc Dba Cooper Tools (USA)
2402PC29 Cooper Industries Inc Dba Cooper Tools (USA)
4410PC29 Cooper Industries Inc Industrial Machinery Div (USA)
7010PC29 Cooper Industries Inc Dba Cooper Tools (USA)
5505PC29 Cooper Industries Inc Industrial Machinery Div (USA)
2110PC29 Cooper Industries Inc Industrial Machinery Div (USA)
2102PC29 Cooper Industries Inc Industrial Machinery Div (USA)
2302PC29 Cooper Industries Inc Dba Cooper Tools (USA)
7005PC29 Cooper Industries Inc Dba Cooper Tools (USA)
278124 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
5505PC29 Cooper Industries Inc Dba Cooper Tools (USA)
2405PC29 Cooper Industries Inc Dba Cooper Tools (USA)
60G91 Cooper Industries Inc Industrial Machinery Div (USA)
Related Parts
4720-01-075-5070INTERCHANGEABLE
HOSE,NONMETALLIC

Frequently Asked Questions

What is NSN 5330-00-178-2287?

NSN 5330-00-178-2287 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 5330-00-178-2287?

NSN 5330-00-178-2287 has 42 cross-referenced part numbers: 7005PC29 (Cooper Industries Inc Industrial Machinery Div), 2410PC29 (Cooper Industries Inc Industrial Machinery Div), 4405PC29 (Cooper Industries Inc Industrial Machinery Div), 2105PC29 (Cooper Industries Inc Industrial Machinery Div), 7001PC29 (Cooper Industries Inc Dba Cooper Tools) and 37 more.

What NSN replaces 5330-00-178-2287?

There is 1 known substitute for 5330-00-178-2287: 4720-01-075-5070. Verify interchangeability with system specifications before substitution.

What are the specifications of 278124?

Key specifications for 278124: Housing Bore Diameter: 2.783 INCHES NOMINAL IN; Material: STEEL CASE; Case Style: SQUARE; Accommodated Shaft Diameter: 1.750 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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