PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DH37D-6Seal,plain Encased

Siemens Energy, Inc. · NSN 5330-00-065-4835 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-065-4835 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-065-4835. Primary manufacturer part number: DH37D-6.
Features
  • Seal,plain Encased — FSC 5330
  • Outside Diameter: 4.008 INCHES NOMINAL IN
  • Sealing Element Style: ANGULAR-OPPOSED
  • Housing Bore Diameter: 4.003 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT B
  • Material: STEEL CASE
  • Case Style: RECESSED
  • Seal Width: 0.375 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element B construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-065-4835, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Siemens Energy, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5330-00-065-4835
Primary Part NumberDH37D-6
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSiemens Energy, Inc.
StatusACTIVE
Outside Diameter4.008 INCHES NOMINAL IN
Sealing Element StyleANGULAR-OPPOSED
Housing Bore Diameter4.003 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT B
MaterialSTEEL CASE
Case StyleRECESSED
Seal Width0.375 INCHES NOMINAL IN
Accommodated Shaft Diameter3.125 INCHES NOMINAL IN
Surface TreatmentPLASTIC CASE
Temp Rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
MaterialRUBBER SYNTHETIC SEALING ELEMENT A
Accommodated Shaft Maximum Rated Speed3600 FEET PER MINUTE FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4720-00-459-834931138 INTERCHANGEABLE
Hose Assembly,nonmetallic
Komatsu America Corporation
3455-00-552-4277 INTERCHANGEABLE
Cutter,milling,end
5133-00-841-8617 INTERCHANGEABLE
Drill,twist
2530-00-845-924917649 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
4710-01-031-412731138 INTERCHANGEABLE
Tube Assembly,metal
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4710-01-031-412831139 INTERCHANGEABLE
Tube Assembly,metal
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4730-01-037-898277514005 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
5365-01-070-043331-138 INTERCHANGEABLE
Bushing,nonmetallic
Tankcraft Corp
5305-01-146-134531139 INTERCHANGEABLE
Screw,machine
Barnes Group Inc. Dba Barnes Distribution
5310-01-358-72371791914 INTERCHANGEABLE
Nut,plain,hexagon
Chrysler Realty Company Llc Dba Daimler Chrysler
Cross-Reference Index
Part NumberManufacturer
DH37D-6 PRIMARY Siemens Energy, Inc. (USA)
31139 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
31138 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
AT47982 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
4720-00-459-8349INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
31138
3455-00-552-4277INTERCHANGEABLE
CUTTER,MILLING,END
5133-00-841-8617INTERCHANGEABLE
DRILL,TWIST
2530-00-845-9249INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
17649
4710-01-031-4127INTERCHANGEABLE
TUBE ASSEMBLY,METAL
31138
4710-01-031-4128INTERCHANGEABLE
TUBE ASSEMBLY,METAL
31139
4730-01-037-8982INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
77514005
5365-01-070-0433INTERCHANGEABLE
BUSHING,NONMETALLIC
31-138
5305-01-146-1345INTERCHANGEABLE
SCREW,MACHINE
31139
5310-01-358-7237INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1791914
5360-01-360-2827INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
31138
4730-01-451-4975INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
31139

Frequently Asked Questions

What is NSN 5330-00-065-4835?

NSN 5330-00-065-4835 is a Seal,plain Encased, manufactured by Siemens Energy, Inc., classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-065-4835?

NSN 5330-00-065-4835 has 4 cross-referenced part numbers: DH37D-6 (Siemens Energy, Inc.), 31139 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 31138 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), AT47982 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5330-00-065-4835?

There are 12 known substitutes for 5330-00-065-4835: 4720-00-459-8349, 3455-00-552-4277, 5133-00-841-8617 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DH37D-6?

Key specifications for DH37D-6: Outside Diameter: 4.008 INCHES NOMINAL IN; Sealing Element Style: ANGULAR-OPPOSED; Housing Bore Diameter: 4.003 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC SEALING ELEMENT B. 12 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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