PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

338366R91Seal,plain Encased

Dressta North America Ltd · NSN 5330-00-285-6385 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-285-6385 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-285-6385. Primary manufacturer part number: 338366R91.
Features
  • Seal,plain Encased — FSC 5330
  • Accommodated Shaft Diameter: 0.656 INCHES NOMINAL IN
  • Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Housing Bore Diameter: 1.375 INCHES NOMINAL IN
  • Seal Width: 0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
  • Sealing Element Style: ANGULAR
  • Case Style: SQUARE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather or Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-285-6385, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dressta North America Ltd. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 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
NSN5330-00-285-6385
Primary Part Number338366R91
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDressta North America Ltd
StatusACTIVE
Accommodated Shaft Diameter0.656 INCHES NOMINAL IN
MaterialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Housing Bore Diameter1.375 INCHES NOMINAL IN
Seal Width0.375 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
Sealing Element StyleANGULAR
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-018-2434500-024 INTERCHANGEABLE
Pump,rotary
The Raymond Corp Dba Raymond Sales Corp Div the Raymond Corporation
4720-00-027-8475656-4 INTERCHANGEABLE
Tubing,nonmetallic
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
4710-00-037-6765 INTERCHANGEABLE
Tube Assembly,metal
5960-00-060-6628 INTERCHANGEABLE
Electron Tube
5340-00-117-567712528 INTERCHANGEABLE
Caster,rigid
Aerol Llc
3110-00-151-8232 INTERCHANGEABLE
Bearing,ball,annular
5330-00-154-05591280858 INTERCHANGEABLE
Seal,plain Encased
Naval Ship Systems Command
5961-00-173-999437959-3 INTERCHANGEABLE
Rectifier,semiconductor Device
Evoqua Water Technologies Llc
5910-00-195-8052 INTERCHANGEABLE
Capacitor,variable,air Dielectri
5330-00-215-4537 INTERCHANGEABLE
Seal,plain Encased
Cross-Reference Index
Part NumberManufacturer
338366R91 PRIMARY Dressta North America Ltd (USA)
125-28 PRIMARY Dresser Industries Inc Leroi Div (USA)
6564 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
50024 Federal-Mogul Corp Chassis Products Div (USA)
48628 PRIMARY Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
257739R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
13721K PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
257739R91 Navistar International Corporation Dba Navistar (USA)
Related Parts
4320-00-018-2434INTERCHANGEABLE
PUMP,ROTARY
500-024
4720-00-027-8475INTERCHANGEABLE
TUBING,NONMETALLIC
656-4
4710-00-037-6765INTERCHANGEABLE
TUBE ASSEMBLY,METAL
5960-00-060-6628INTERCHANGEABLE
ELECTRON TUBE
5340-00-117-5677INTERCHANGEABLE
CASTER,RIGID
12528
3110-00-151-8232INTERCHANGEABLE
BEARING,BALL,ANNULAR
5330-00-154-0559INTERCHANGEABLE
SEAL,PLAIN ENCASED
1280858
5961-00-173-9994INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE
37959-3
5910-00-195-8052INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
5330-00-215-4537INTERCHANGEABLE
SEAL,PLAIN ENCASED
5815-00-228-6701INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
SC-C-69992-3
5133-00-247-2751INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5330-00-285-6385?

NSN 5330-00-285-6385 is a Seal,plain Encased, manufactured by Dressta North America Ltd, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-285-6385?

NSN 5330-00-285-6385 has 8 cross-referenced part numbers: 338366R91 (Dressta North America Ltd), 125-28 (Dresser Industries Inc Leroi Div), 6564 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 50024 (Federal-Mogul Corp Chassis Products Div), 48628 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products) and 3 more.

What NSN replaces 5330-00-285-6385?

There are 12 known substitutes for 5330-00-285-6385: 4320-00-018-2434, 4720-00-027-8475, 4710-00-037-6765 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 338366R91?

Key specifications for 338366R91: Accommodated Shaft Diameter: 0.656 INCHES NOMINAL IN; Material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Housing Bore Diameter: 1.375 INCHES NOMINAL IN. 7 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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