PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4239Seal,plain Encased

Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division · NSN 5330-00-901-1173 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-901-1173 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-901-1173. Primary manufacturer part number: 4239.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 0.475 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
  • Seal Width: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
  • Housing Bore Diameter: 1.132 INCHES MINIMUM AND 1.136 INCHES MAXIMUM IN
  • Sealing Element Style: ANGULAR
  • Case Style: SQUARE
  • Material: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 CASE
  • 2 verified cross-references
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Comp 1010 or Steel Comp 1011 or Steel Comp 1012 or Steel Comp 1013 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1017 or Steel Comp 1018 or Steel Comp 1019 or Steel Comp 1020 Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-901-1173, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division. Government technical data includes 6 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-901-1173
Primary Part Number4239
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFreudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division
StatusACTIVE
Accommodated Shaft Diameter0.475 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
Seal Width0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
Housing Bore Diameter1.132 INCHES MINIMUM AND 1.136 INCHES MAXIMUM IN
Sealing Element StyleANGULAR
Case StyleSQUARE
MaterialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 CASE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-077-25534239 INTERCHANGEABLE
Seal,plain Encased
Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division
5330-00-171-355318D212 INTERCHANGEABLE
Gasket
Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc
2805-00-173-23604004239-2 INTERCHANGEABLE
Insert,valve Seat
Agco Corp Parts Opn
3110-00-227-3252 INTERCHANGEABLE
Bearing,roller,needle
5935-00-258-46604239 INTERCHANGEABLE
Connector,receptacle,electrical
Hobart Bros Co
6515-00-654-57494239 INTERCHANGEABLE
Mask,surgical
Johnson and Johnson Medical Inc Sub of Johnson and Johnson
3040-01-016-0384 INTERCHANGEABLE
Shaft,straight
5136-01-431-1629 INTERCHANGEABLE
Die,thread Cutting
Cross-Reference Index
Part NumberManufacturer
1-300-235-01 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
4239 PRIMARY Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division (USA)
Related Parts
5330-00-077-2553INTERCHANGEABLE
SEAL,PLAIN ENCASED
4239
5330-00-171-3553INTERCHANGEABLE
GASKET
18D212
2805-00-173-2360INTERCHANGEABLE
INSERT,VALVE SEAT
4004239-2
3110-00-227-3252INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
5935-00-258-4660INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
4239
6515-00-654-5749INTERCHANGEABLE
MASK,SURGICAL
4239
3040-01-016-0384INTERCHANGEABLE
SHAFT,STRAIGHT
5136-01-431-1629INTERCHANGEABLE
DIE,THREAD CUTTING

Frequently Asked Questions

What is NSN 5330-00-901-1173?

NSN 5330-00-901-1173 is a Seal,plain Encased, manufactured by Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-901-1173?

NSN 5330-00-901-1173 has 2 cross-referenced part numbers: 1-300-235-01 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 4239 (Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division).

What NSN replaces 5330-00-901-1173?

There are 8 known substitutes for 5330-00-901-1173: 5330-00-077-2553, 5330-00-171-3553, 2805-00-173-2360 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4239?

Key specifications for 4239: Accommodated Shaft Diameter: 0.475 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN; Seal Width: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN; Housing Bore Diameter: 1.132 INCHES MINIMUM AND 1.136 INCHES MAXIMUM IN; Sealing Element Style: ANGULAR. 6 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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