PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18325Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-291-9631 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-291-9631 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-291-9631. Primary manufacturer part number: 18325.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT
  • Housing Bore Diameter: 1.828 INCHES NOMINAL IN
  • Case Style: SQUARE
  • Accommodated Shaft Diameter: 0.781 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Seal Width: 0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
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 5330-00-291-9631, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-291-9631
Primary Part Number18325
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusCANCELLED
Sealing Element StyleANGULAR
Accommodated Shaft Maximum Rated Speed2000 FEET PER MINUTE FT
Housing Bore Diameter1.828 INCHES NOMINAL IN
Case StyleSQUARE
Accommodated Shaft Diameter0.781 INCHES NOMINAL IN
MaterialSTEEL CASE
Seal Width0.406 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
MaterialLEATHER SEALING ELEMENT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5950-00-086-8834 INTERCHANGEABLE
Coil,radio Frequency
2810-00-118-989350034 INTERCHANGEABLE
Bracket
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5935-00-154-0382 INTERCHANGEABLE
Connector,receptacle,electrical
5815-00-228-6703SC-C-69992-13 INTERCHANGEABLE
Bar,connecting,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5930-00-236-180705003-04N INTERCHANGEABLE
Switch,rotary
Grayhill Inc
4820-00-253-908818325 INTERCHANGEABLE
Disk,valve
Provision, Inc. Dba Provision Inc
5305-00-290-3051 INTERCHANGEABLE
Screw,machine
3460-00-387-008618325 INTERCHANGEABLE
Collet,machine
Black and Decker Us Inc
3110-00-554-5962 INTERCHANGEABLE
Bearing,ball,annular
9540-00-555-3218LS210-3 INTERCHANGEABLE
Angle,structural
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
900-63-9-0102-03 Fuller Co Compton Plant (USA)
18325 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
60157 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
50034 Federal-Mogul Corp Chassis Products Div (USA)
48642 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
Related Parts
5950-00-086-8834INTERCHANGEABLE
COIL,RADIO FREQUENCY
2810-00-118-9893INTERCHANGEABLE
BRACKET
50034
5935-00-154-0382INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
5815-00-228-6703INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
SC-C-69992-13
5930-00-236-1807INTERCHANGEABLE
SWITCH,ROTARY
05003-04N
4820-00-253-9088INTERCHANGEABLE
DISK,VALVE
18325
5305-00-290-3051INTERCHANGEABLE
SCREW,MACHINE
3460-00-387-0086INTERCHANGEABLE
COLLET,MACHINE
18325
3110-00-554-5962INTERCHANGEABLE
BEARING,BALL,ANNULAR
9540-00-555-3218INTERCHANGEABLE
ANGLE,STRUCTURAL
LS210-3
5915-00-617-8896INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
T7618670-704
5940-00-841-5476INTERCHANGEABLE
TERMINAL,TAPER PIN,ELECTRICAL
41647

Frequently Asked Questions

What is NSN 5330-00-291-9631?

NSN 5330-00-291-9631 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-291-9631?

NSN 5330-00-291-9631 has 5 cross-referenced part numbers: 900-63-9-0102-03 (Fuller Co Compton Plant), 18325 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 60157 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 50034 (Federal-Mogul Corp Chassis Products Div), 48642 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products).

What NSN replaces 5330-00-291-9631?

There are 12 known substitutes for 5330-00-291-9631: 5950-00-086-8834, 2810-00-118-9893, 5935-00-154-0382 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18325?

Key specifications for 18325: Sealing Element Style: ANGULAR; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT; Housing Bore Diameter: 1.828 INCHES NOMINAL IN; Case Style: SQUARE. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-291-9631 still in active supply?

NSN 5330-00-291-9631 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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