PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73587Seal,plain Encased

Dressta North America Ltd · NSN 5330-00-347-4071 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-347-4071 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-347-4071. Primary manufacturer part number: 73587.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR-EXTERNAL
  • Seal Width: 0.500 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Housing Bore Diameter: 3.875 INCHES NOMINAL IN
  • Accommodated Shaft Diameter: 2.688 INCHES NOMINAL IN
  • Material: LEATHER SEALING ELEMENT A
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Leather Sealing Element a construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-347-4071, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-347-4071
Primary Part Number73587
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDressta North America Ltd
StatusACTIVE
Sealing Element StyleANGULAR-EXTERNAL
Seal Width0.500 INCHES NOMINAL IN
Case StyleSQUARE
Housing Bore Diameter3.875 INCHES NOMINAL IN
Accommodated Shaft Diameter2.688 INCHES NOMINAL IN
MaterialLEATHER SEALING ELEMENT A
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Temp Rating-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
MaterialLEATHER SEALING ELEMENT B
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-155-943823587 INTERCHANGEABLE
Reactor
Magnetika Inc
4820-01-058-972873587J INTERCHANGEABLE
Valve,lift-Check
Griswold Industries Dba Cla-Val Co
5315-01-113-039573587 INTERCHANGEABLE
Pin,shoulder,headless
Prestolite Electric Inc
5915-01-170-6753H960012-002B INTERCHANGEABLE
Filter,low Pass
Raytheon Company Dba Raytheon
2910-01-210-693826890 INTERCHANGEABLE
Pilot Tube,pump
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4820-01-511-264273587-01G INTERCHANGEABLE
Valve,check
Griswold Industries Dba Cla-Val Co
6515-01-535-382426890 INTERCHANGEABLE
Spinal Needle
Exelint International Co
Cross-Reference Index
Part NumberManufacturer
73587 PRIMARY Dressta North America Ltd (USA)
D73587 Komatsu America Corporation (USA)
26890 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
73587 Komatsu America Corporation (USA)
268XCP328L Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
900816 Sasco Inc Canadian Div
Related Parts
5950-00-155-9438INTERCHANGEABLE
REACTOR
23587
4820-01-058-9728INTERCHANGEABLE
VALVE,LIFT-CHECK
73587J
5315-01-113-0395INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
73587
5915-01-170-6753INTERCHANGEABLE
FILTER,LOW PASS
H960012-002B
2910-01-210-6938INTERCHANGEABLE
PILOT TUBE,PUMP
26890
4820-01-511-2642INTERCHANGEABLE
VALVE,CHECK
73587-01G
6515-01-535-3824INTERCHANGEABLE
SPINAL NEEDLE
26890

Frequently Asked Questions

What is NSN 5330-00-347-4071?

NSN 5330-00-347-4071 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 5330-00-347-4071?

NSN 5330-00-347-4071 has 6 cross-referenced part numbers: 73587 (Dressta North America Ltd), D73587 (Komatsu America Corporation), 26890 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 73587 (Komatsu America Corporation), 268XCP328L (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions) and 1 more.

What NSN replaces 5330-00-347-4071?

There are 7 known substitutes for 5330-00-347-4071: 5950-00-155-9438, 4820-01-058-9728, 5315-01-113-0395 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73587?

Key specifications for 73587: Sealing Element Style: ANGULAR-EXTERNAL; Seal Width: 0.500 INCHES NOMINAL IN; Case Style: SQUARE; Housing Bore Diameter: 3.875 INCHES NOMINAL IN. 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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