PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18394FXSeal,plain

Oshkosh Defense Llc · NSN 5330-01-251-0785 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-251-0785 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-251-0785. Primary manufacturer part number: 18394FX.
Features
  • Seal,plain — FSC 5330
  • 4 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain, cataloged under National Stock Number 5330-01-251-0785, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeal,plain
FSC / FSG5330 — No Item Name Available (FSG 53)
ManufacturersOshkosh Corp (CAGE 45152); Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (CAGE 80201); Oshkosh Defense Llc (CAGE 75Q65)
Technical Specifications
ParameterValue
NSN5330-01-251-0785
Primary Part Number18394FX
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-146-4818 INTERCHANGEABLE
Reactor
4310-00-771-064923703 INTERCHANGEABLE
Ring,piston
Cnh Industrial America Llc Dba Cnh America
5306-00-939-9599SP-58-02 INTERCHANGEABLE
Rod,continuous Thread
American National Standards Institute Incorporated Dba American National Standards Institute
4820-01-220-7700237-03 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
8470-01-506-6439 INTERCHANGEABLE
Helmet,advanced Combat
8470-01-506-6440 INTERCHANGEABLE
Helmet,advanced Combat
Cross-Reference Index
Part NumberManufacturer
18394-F Oshkosh Corp (USA)
18394FX Oshkosh Corp (USA)
23703 Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
18394FX PRIMARY Oshkosh Defense Llc (USA)
Related Parts
5950-00-146-4818INTERCHANGEABLE
REACTOR
4310-00-771-0649INTERCHANGEABLE
RING,PISTON
23703
5306-00-939-9599INTERCHANGEABLE
ROD,CONTINUOUS THREAD
SP-58-02
4820-01-220-7700INTERCHANGEABLE
SEAT,VALVE
237-03
8470-01-506-6439INTERCHANGEABLE
HELMET,ADVANCED COMBAT
8470-01-506-6440INTERCHANGEABLE
HELMET,ADVANCED COMBAT

Frequently Asked Questions

What is NSN 5330-01-251-0785?

NSN 5330-01-251-0785 is a Seal,plain, manufactured by Oshkosh Defense Llc, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-251-0785?

NSN 5330-01-251-0785 has 4 cross-referenced part numbers: 18394-F (Oshkosh Corp), 18394FX (Oshkosh Corp), 23703 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 18394FX (Oshkosh Defense Llc).

What NSN replaces 5330-01-251-0785?

There are 6 known substitutes for 5330-01-251-0785: 5950-00-146-4818, 4310-00-771-0649, 5306-00-939-9599 and 3 more. Verify interchangeability with system specifications before substitution.

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