PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4033Seal,plain Encased

Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division · NSN 5330-00-984-4454 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-984-4454 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-984-4454. Primary manufacturer part number: 4033.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: RECESSED
  • Accommodated Shaft Maximum Rated Speed: 99070 FEET PER MINUTE FT
  • Seal Width: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
  • Material: STEEL CASE
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 0.261 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
  • 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 5330-00-984-4454, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 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
NSN5330-00-984-4454
Primary Part Number4033
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerFreudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division
StatusACTIVE
Case StyleRECESSED
Accommodated Shaft Maximum Rated Speed99070 FEET PER MINUTE FT
Seal Width0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
MaterialSTEEL CASE
Sealing Element StyleANGULAR
Accommodated Shaft Diameter0.261 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
Housing Bore Diameter0.751 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
Temp Rating330.0 FAHRENHEIT DEGF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-00-935-0162LM311H INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
4033 PRIMARY Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division (USA)
509296 Microcopy Inc Innovations for Dentistry (USA)
2-300-143 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
2-300-143-02 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
2-300-143-01 Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix (USA)
2-300-143-01 Baykar Piaggio Aerospace S.p.a. (ITA)
2-300-143-02 Baykar Piaggio Aerospace S.p.a. (ITA)
Related Parts
5962-00-935-0162INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM311H

Frequently Asked Questions

What is NSN 5330-00-984-4454?

NSN 5330-00-984-4454 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 5330-00-984-4454?

NSN 5330-00-984-4454 has 7 cross-referenced part numbers: 4033 (Freudenberg-Nok General Partnership Dba Fredenberg-Nok Seals Division), 509296 (Microcopy Inc Innovations for Dentistry), 2-300-143 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 2-300-143-02 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix), 2-300-143-01 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix) and 2 more.

What NSN replaces 5330-00-984-4454?

There is 1 known substitute for 5330-00-984-4454: 5962-00-935-0162. Verify interchangeability with system specifications before substitution.

What are the specifications of 4033?

Key specifications for 4033: Case Style: RECESSED; Accommodated Shaft Maximum Rated Speed: 99070 FEET PER MINUTE FT; Seal Width: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN; Material: STEEL CASE. 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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