PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YB287-1020SUB7PT20Seal,plain

Raytheon Company Div Corp · NSN 5330-00-297-4457 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-297-4457 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-297-4457. Primary manufacturer part number: YB287-1020SUB7PT20.
Features
  • Seal,plain — FSC 5330
  • Cross-Sectional Shape Style: SINGLE LIP
  • Construction: SOLID
  • Material Document and Classification: MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
  • Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
  • Material: STEEL CORROSION RESISTING SPRING
  • Seal Width: 0.375 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 4.062 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Butadiene-Acrylonitrile Class Nbr Sealing Element construction
General Description

The Seal,plain, cataloged under National Stock Number 5330-00-297-4457, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Raytheon Company Div Corp. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN5330-00-297-4457
Primary Part NumberYB287-1020SUB7PT20
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerRaytheon Company Div Corp
StatusACTIVE
Cross-Sectional Shape StyleSINGLE LIP
ConstructionSOLID
Material Document and ClassificationMIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT
MaterialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
MaterialSTEEL CORROSION RESISTING SPRING
Seal Width0.375 INCHES NOMINAL IN
Accommodated Shaft Diameter4.062 INCHES NOMINAL IN
Housing Bore Diameter5.007 INCHES NOMINAL IN
Temp Rating-40.0 FAHRENHEIT AND 300.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-168-5693 INTERCHANGEABLE
Gasket
4730-00-187-7570 INTERCHANGEABLE
Coupling,pipe
8345-00-242-0270 INTERCHANGEABLE
Flag,individual
8345-00-242-0271 INTERCHANGEABLE
Flag,individual
8345-00-242-0272 INTERCHANGEABLE
Flag,individual
3020-00-428-61915711 INTERCHANGEABLE
Gear,spur
Cummins Inc.
5330-00-695-117017675 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6635-00-735-2813 INTERCHANGEABLE
Xray Laboratory Portable
1620-00-756-91715711 INTERCHANGEABLE
Retainer,seal Shortening
Goodrich Aerospace Canada Ltd
3770-00-951-641857-11 INTERCHANGEABLE
Collar,dog
Ray Allen Manufacturing Llc
Cross-Reference Index
Part NumberManufacturer
YB287-1020SUB7PT20 PRIMARY Raytheon Company Div Corp (USA)
5711 Johns Manville Intl (USA)
3SEAL Raytheon Company Dba Raytheon Co (USA)
287-1020PT20SUB23 Raytheon Company Div Corp (USA)
3SEAL Raytheon Company Div Corp (USA)
Related Parts
5330-00-168-5693INTERCHANGEABLE
GASKET
4730-00-187-7570INTERCHANGEABLE
COUPLING,PIPE
8345-00-242-0270INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-242-0271INTERCHANGEABLE
FLAG,INDIVIDUAL
8345-00-242-0272INTERCHANGEABLE
FLAG,INDIVIDUAL
3020-00-428-6191INTERCHANGEABLE
GEAR,SPUR
5711
5330-00-695-1170INTERCHANGEABLE
SEAL,PLAIN ENCASED
17675
6635-00-735-2813INTERCHANGEABLE
XRAY LABORATORY PORTABLE
1620-00-756-9171INTERCHANGEABLE
RETAINER,SEAL SHORTENING
5711
3770-00-951-6418INTERCHANGEABLE
COLLAR,DOG
57-11
4820-01-114-6434INTERCHANGEABLE
DISK,VALVE
5711
5820-01-145-9031INTERCHANGEABLE
TUNER,RADIO FREQUENCY
57-1-1

Frequently Asked Questions

What is NSN 5330-00-297-4457?

NSN 5330-00-297-4457 is a Seal,plain, manufactured by Raytheon Company Div Corp, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-297-4457?

NSN 5330-00-297-4457 has 5 cross-referenced part numbers: YB287-1020SUB7PT20 (Raytheon Company Div Corp), 5711 (Johns Manville Intl), 3SEAL (Raytheon Company Dba Raytheon Co), 287-1020PT20SUB23 (Raytheon Company Div Corp), 3SEAL (Raytheon Company Div Corp).

What NSN replaces 5330-00-297-4457?

There are 12 known substitutes for 5330-00-297-4457: 5330-00-168-5693, 4730-00-187-7570, 8345-00-242-0270 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of YB287-1020SUB7PT20?

Key specifications for YB287-1020SUB7PT20: Cross-Sectional Shape Style: SINGLE LIP; Construction: SOLID; Material Document and Classification: MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE SEALING ELEMENT; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT. 9 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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