PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

73339Seal,plain Encased

Dresser, Llc · NSN 5330-00-634-8940 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-634-8940 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-634-8940. Primary manufacturer part number: 73339.
Features
  • Seal,plain Encased — FSC 5330
  • Case Style: FLANGED
  • Accommodated Shaft Diameter: 1.875 INCHES NOMINAL IN
  • Seal Width: 0.250 INCHES NOMINAL IN
  • Housing Bore Diameter: 3.000 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR
  • Material: STEEL CASE
  • Material: LEATHER 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 5330-00-634-8940, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Dresser, Llc. Government technical data includes 8 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-634-8940
Primary Part Number73339
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerDresser, Llc
StatusCANCELLED
Case StyleFLANGED
Accommodated Shaft Diameter1.875 INCHES NOMINAL IN
Seal Width0.250 INCHES NOMINAL IN
Housing Bore Diameter3.000 INCHES NOMINAL IN
Sealing Element StyleANGULAR
MaterialSTEEL CASE
MaterialLEATHER SEALING ELEMENT
Surface TreatmentCADMIUM CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
2520-00-164-5407010906 INTERCHANGEABLE
Block
Eaton Corporation
5120-00-180-0649 INTERCHANGEABLE
Vise,pipe
5330-00-256-881273339SEAL INTERCHANGEABLE
Seal,plain Encased
Dresser, Llc
3455-00-517-555517446 INTERCHANGEABLE
Cutter,milling,side
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
4460-01-103-359740085 INTERCHANGEABLE
Eliminator,air
Liquid Controls, L.l.c. Div Idex Corporation
3830-01-346-0653 INTERCHANGEABLE
Tooth,surface Ripping
8465-01-541-797540085 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
5860-01-550-0782 INTERCHANGEABLE
Laser,solid State
4730-01-713-918340085 INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
Spraying Systems Co
Cross-Reference Index
Part NumberManufacturer
40085 Federal-Mogul Corp Chassis Products Div (USA)
73339 PRIMARY Dresser, Llc (USA)
Related Parts
2520-00-164-5407INTERCHANGEABLE
BLOCK
010906
5120-00-180-0649INTERCHANGEABLE
VISE,PIPE
5330-00-256-8812INTERCHANGEABLE
SEAL,PLAIN ENCASED
73339SEAL
3455-00-517-5555INTERCHANGEABLE
CUTTER,MILLING,SIDE
17446
4460-01-103-3597INTERCHANGEABLE
ELIMINATOR,AIR
40085
3830-01-346-0653INTERCHANGEABLE
TOOTH,SURFACE RIPPING
8465-01-541-7975INTERCHANGEABLE
HYDRATION SYSTEM
40085
5860-01-550-0782INTERCHANGEABLE
LASER,SOLID STATE
4730-01-713-9183INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
40085

Frequently Asked Questions

What is NSN 5330-00-634-8940?

NSN 5330-00-634-8940 is a Seal,plain Encased, manufactured by Dresser, Llc, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-634-8940?

NSN 5330-00-634-8940 has 2 cross-referenced part numbers: 40085 (Federal-Mogul Corp Chassis Products Div), 73339 (Dresser, Llc).

What NSN replaces 5330-00-634-8940?

There are 9 known substitutes for 5330-00-634-8940: 2520-00-164-5407, 5120-00-180-0649, 5330-00-256-8812 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 73339?

Key specifications for 73339: Case Style: FLANGED; Accommodated Shaft Diameter: 1.875 INCHES NOMINAL IN; Seal Width: 0.250 INCHES NOMINAL IN; Housing Bore Diameter: 3.000 INCHES NOMINAL IN. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-634-8940 still in active supply?

NSN 5330-00-634-8940 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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