PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18657Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-784-0335 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-784-0335 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-784-0335. Primary manufacturer part number: 18657.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 1.875 INCHES NOMINAL IN
  • Accommodated Shaft Maximum Rated Speed: 3600 FEET PER MINUTE FT
  • Outside Diameter: 2.754 INCHES NOMINAL IN
  • Case Style: RECESSED
  • Seal Width: 0.313 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC SEALING ELEMENT
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic Sealing Element construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-784-0335, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-784-0335
Primary Part Number18657
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Sealing Element StyleANGULAR
Accommodated Shaft Diameter1.875 INCHES NOMINAL IN
Accommodated Shaft Maximum Rated Speed3600 FEET PER MINUTE FT
Outside Diameter2.754 INCHES NOMINAL IN
Case StyleRECESSED
Seal Width0.313 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC SEALING ELEMENT
MaterialSTEEL CORROSION RESISTING CASE
Attachment MethodCEMENTED
Housing Bore Diameter2.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-145-241718657 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
2910-00-148-655520804 INTERCHANGEABLE
Blade,transfer Pump
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5330-00-285-827949476 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5340-00-687-2547 INTERCHANGEABLE
Clevis,rod End
5330-00-893-7594 INTERCHANGEABLE
Gasket
7110-01-468-3931 INTERCHANGEABLE
Work Station,office
6510-01-587-8715403771 INTERCHANGEABLE
Dressing,hydrocolloid
Convatec Inc. Div Convatec
5330-01-707-4675125-5295 INTERCHANGEABLE
Seal,plain
Rix Industries
2930-01-707-5718A455-18657 INTERCHANGEABLE
Parts Kit,engine Water Inlet
Rix Industries
4730-01-708-841654-18658 INTERCHANGEABLE
Plug,pipe
Rix Industries
Cross-Reference Index
Part NumberManufacturer
33MAM1 Linde Lift Truck Corp. (USA)
00044 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
T22-110 Borg-Warner Corp (USA)
18657 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
593-6960882PC7 Naval Sea Systems Command (USA)
Related Parts
5330-00-145-2417INTERCHANGEABLE
GASKET
18657
2910-00-148-6555INTERCHANGEABLE
BLADE,TRANSFER PUMP
20804
5330-00-285-8279INTERCHANGEABLE
SEAL,PLAIN ENCASED
49476
5340-00-687-2547INTERCHANGEABLE
CLEVIS,ROD END
5330-00-893-7594INTERCHANGEABLE
GASKET
7110-01-468-3931INTERCHANGEABLE
WORK STATION,OFFICE
6510-01-587-8715INTERCHANGEABLE
DRESSING,HYDROCOLLOID
403771
5330-01-707-4675INTERCHANGEABLE
SEAL,PLAIN
125-5295
2930-01-707-5718INTERCHANGEABLE
PARTS KIT,ENGINE WATER INLET
A455-18657
4730-01-708-8416INTERCHANGEABLE
PLUG,PIPE
54-18658

Frequently Asked Questions

What is NSN 5330-00-784-0335?

NSN 5330-00-784-0335 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-784-0335?

NSN 5330-00-784-0335 has 5 cross-referenced part numbers: 33MAM1 (Linde Lift Truck Corp.), 00044 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), T22-110 (Borg-Warner Corp), 18657 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 593-6960882PC7 (Naval Sea Systems Command).

What NSN replaces 5330-00-784-0335?

There are 10 known substitutes for 5330-00-784-0335: 5330-00-145-2417, 2910-00-148-6555, 5330-00-285-8279 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18657?

Key specifications for 18657: Sealing Element Style: ANGULAR; Accommodated Shaft Diameter: 1.875 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 3600 FEET PER MINUTE FT; Outside Diameter: 2.754 INCHES NOMINAL IN. 10 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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