PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

287783Seal,plain Encased

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5330-00-290-7356 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-290-7356 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-290-7356. Primary manufacturer part number: 287783.
Features
  • Seal,plain Encased — FSC 5330
  • Housing Bore Diameter: 1.504 INCHES NOMINAL IN
  • Attachment Method: CEMENTED
  • Case Style: SQUARE
  • Material: STEEL CASE
  • Seal Width: 0.375 INCHES NOMINAL IN
  • FSC Application Data: ENGINE,RECIPROCATING,AIRCRAFT
  • Material: RUBBER SYNTHETIC 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 5330-00-290-7356, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-290-7356
Primary Part Number287783
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusCANCELLED
Housing Bore Diameter1.504 INCHES NOMINAL IN
Attachment MethodCEMENTED
Case StyleSQUARE
MaterialSTEEL CASE
Seal Width0.375 INCHES NOMINAL IN
FSC Application DataENGINE,RECIPROCATING,AIRCRAFT
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Diameter0.875 INCHES NOMINAL IN
Sealing Element StyleANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5330-00-067-5389028-11676-00 INTERCHANGEABLE
Gasket
Johnson Controls Navy Systems, Llc
3110-00-088-5210287783 INTERCHANGEABLE
Bearing,pump
Eaton Aerospace, Llc Dba Jackson South
3120-01-077-486028773 INTERCHANGEABLE
Bushing,sleeve
Moog Inc. Dba Ampac-Isp Corp
5905-01-269-0734 INTERCHANGEABLE
Resistor,fixed,film
6840-01-393-743228774 INTERCHANGEABLE
Deodorant,utility
Thetford Corp
Cross-Reference Index
Part NumberManufacturer
287783 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
287784 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
28774 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
431937 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
26773 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
28773 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
28773 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
287791 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
28774 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5330-00-067-5389INTERCHANGEABLE
GASKET
028-11676-00
3110-00-088-5210INTERCHANGEABLE
BEARING,PUMP
287783
3120-01-077-4860INTERCHANGEABLE
BUSHING,SLEEVE
28773
5905-01-269-0734INTERCHANGEABLE
RESISTOR,FIXED,FILM
6840-01-393-7432INTERCHANGEABLE
DEODORANT,UTILITY
28774

Frequently Asked Questions

What is NSN 5330-00-290-7356?

NSN 5330-00-290-7356 is a Seal,plain Encased, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-290-7356?

NSN 5330-00-290-7356 has 9 cross-referenced part numbers: 287783 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 287784 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 28774 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 431937 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 26773 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.) and 4 more.

What NSN replaces 5330-00-290-7356?

There are 5 known substitutes for 5330-00-290-7356: 5330-00-067-5389, 3110-00-088-5210, 3120-01-077-4860 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 287783?

Key specifications for 287783: Housing Bore Diameter: 1.504 INCHES NOMINAL IN; Attachment Method: CEMENTED; Case Style: SQUARE; Material: STEEL CASE. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-290-7356 still in active supply?

NSN 5330-00-290-7356 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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