PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18771Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-01-358-9532 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-358-9532 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-358-9532. Primary manufacturer part number: 18771.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Case Style: FLANGED
  • Material: STEEL COMP 303 SPRING
  • Material: RUBBER SYNTHETIC OVERALL
  • Material Document and Classification: 953 ETHYLENE ACRYLIC WITH 419020 PTFE MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Outside Diameter: 2.754 INCHES NOMINAL IN
  • Surface Treatment: PLASTIC CASE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Comp 303 Spring construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-01-358-9532, 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 11 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-358-9532
Primary Part Number18771
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusACTIVE
Sealing Element StyleANGULAR
Case StyleFLANGED
MaterialSTEEL COMP 303 SPRING
MaterialRUBBER SYNTHETIC OVERALL
Material Document and Classification953 ETHYLENE ACRYLIC WITH 419020 PTFE MFR REF SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter2.754 INCHES NOMINAL IN
Surface TreatmentPLASTIC CASE
Seal Width0.500 INCHES NOMINAL IN
Material Document and ClassificationSAE 303C2 ASSN STD SINGLE MATERIAL RESPONSE SPRING
Housing Bore Diameter2.750 INCHES NOMINAL IN
Accommodated Shaft Diameter1.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1075-00-024-02203211314T03211322 INTERCHANGEABLE
Tool Kit,cutter,min
Naval Ship Systems Command
9540-00-123-2976 INTERCHANGEABLE
Beam,structural
5340-00-450-7892SA-3567RG INTERCHANGEABLE
Strap,webbing
Mm Reif Ltd
5365-00-512-1742DS-936243 INTERCHANGEABLE
Spacer,ring
Eaton Aerospace, Llc Dba Jackson South
3110-00-554-6102043CM INTERCHANGEABLE
Bearing,ball,annular
Cnh Industrial America Llc Dba Cnh America
5330-00-582-2738 INTERCHANGEABLE
Seal,plain Encased
5950-01-184-27421662-3 INTERCHANGEABLE
Coil,radio Frequency
Caddell Burns Manufacturing Co Inc
5130-01-445-48921660-6 INTERCHANGEABLE
Drill,electric,portable
Milwaukee Electric Tool Corp Dba Milwaukee Electric Tools
4130-01-487-082518771 INTERCHANGEABLE
Vacu-Discs,zirc
Dcm Clean Air Products, Inc.
1650-01-498-32111662-3 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Parker-Hannifin Corporation Dba Control Systems Division
Cross-Reference Index
Part NumberManufacturer
16623 New Venture Gear Inc New Process Gear Div (USA)
18771 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
5330013589532 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
29960-0511 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
5938609 Am General Llc (USA)
Related Parts
1075-00-024-0220INTERCHANGEABLE
TOOL KIT,CUTTER,MIN
3211314T03211322
9540-00-123-2976INTERCHANGEABLE
BEAM,STRUCTURAL
5340-00-450-7892INTERCHANGEABLE
STRAP,WEBBING
SA-3567RG
5365-00-512-1742INTERCHANGEABLE
SPACER,RING
DS-936243
3110-00-554-6102INTERCHANGEABLE
BEARING,BALL,ANNULAR
043CM
5330-00-582-2738INTERCHANGEABLE
SEAL,PLAIN ENCASED
5950-01-184-2742INTERCHANGEABLE
COIL,RADIO FREQUENCY
1662-3
5130-01-445-4892INTERCHANGEABLE
DRILL,ELECTRIC,PORTABLE
1660-6
4130-01-487-0825INTERCHANGEABLE
VACU-DISCS,ZIRC
18771
1650-01-498-3211INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
1662-3
4810-01-587-6851INTERCHANGEABLE
REPAIR KIT,SOLENOID VALVE
61301609505
6515-01-591-3220INTERCHANGEABLE
SCREW,BONE
218.090

Frequently Asked Questions

What is NSN 5330-01-358-9532?

NSN 5330-01-358-9532 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 5330-01-358-9532?

NSN 5330-01-358-9532 has 5 cross-referenced part numbers: 16623 (New Venture Gear Inc New Process Gear Div), 18771 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 5330013589532 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 29960-0511 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 5938609 (Am General Llc).

What NSN replaces 5330-01-358-9532?

There are 12 known substitutes for 5330-01-358-9532: 1075-00-024-0220, 9540-00-123-2976, 5340-00-450-7892 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18771?

Key specifications for 18771: Sealing Element Style: ANGULAR; Case Style: FLANGED; Material: STEEL COMP 303 SPRING; Material: RUBBER SYNTHETIC OVERALL. 11 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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