PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31518Seal,plain

Mcnaughton Dynamics Limited · NSN 5330-01-385-4982 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-385-4982 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-385-4982. Primary manufacturer part number: 31518.
Features
  • Seal,plain — FSC 5330
  • 3 verified cross-references
  • Primary manufacturer: Mcnaughton Dynamics Limited
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Seal,plain, cataloged under National Stock Number 5330-01-385-4982, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mcnaughton Dynamics Limited. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 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)
ManufacturersMcnaughton Dynamics Limited (CAGE U7709); Prime Source (CAGE 08WM4); Zwick Energy Researach Organization Inc (CAGE 58328)
Technical Specifications
ParameterValue
NSN5330-01-385-4982
Primary Part Number31518
Item NameSeal,plain
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMcnaughton Dynamics Limited
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5940-00-246-385710015366-002 INTERCHANGEABLE
Terminal,lug
Us Army Aviation and Missile Command
3455-00-517-5970716-120217 INTERCHANGEABLE
Cutter,milling,end
Doall Baltimore Company
5330-00-631-66496311 INTERCHANGEABLE
Seal,plain
Pdi Ground Support Systems, Inc.
5130-00-731-5985 INTERCHANGEABLE
Bit,wire Wrapping Tool
2040-00-896-9525121A032618 INTERCHANGEABLE
Lug Terminal
Northrop Grumman Systems Corporation
5330-01-266-988831518 INTERCHANGEABLE
Gasket
Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit
5330-01-362-25300212-11522LPD H1/L5 INTERCHANGEABLE
Seal,plain
Johns Manville Intl
2910-01-443-622731649 INTERCHANGEABLE
Filter Element,fluid
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5365-01-573-966431518 INTERCHANGEABLE
Shim
Hassay Savage Co
5330-01-671-119331518 INTERCHANGEABLE
Seal,plain Encased
Clopay Corp Plastic Products Div
Cross-Reference Index
Part NumberManufacturer
31518 Mcnaughton Dynamics Limited (GBR)
31518 Prime Source (USA)
31518 Zwick Energy Researach Organization Inc (USA)
Related Parts
5940-00-246-3857INTERCHANGEABLE
TERMINAL,LUG
10015366-002
3455-00-517-5970INTERCHANGEABLE
CUTTER,MILLING,END
716-120217
5330-00-631-6649INTERCHANGEABLE
SEAL,PLAIN
6311
5130-00-731-5985INTERCHANGEABLE
BIT,WIRE WRAPPING TOOL
2040-00-896-9525INTERCHANGEABLE
LUG TERMINAL
121A032618
5330-01-266-9888INTERCHANGEABLE
GASKET
31518
5330-01-362-2530INTERCHANGEABLE
SEAL,PLAIN
0212-11522LPD H1/L5
2910-01-443-6227INTERCHANGEABLE
FILTER ELEMENT,FLUID
31649
5365-01-573-9664INTERCHANGEABLE
SHIM
31518
5330-01-671-1193INTERCHANGEABLE
SEAL,PLAIN ENCASED
31518

Frequently Asked Questions

What is NSN 5330-01-385-4982?

NSN 5330-01-385-4982 is a Seal,plain, manufactured by Mcnaughton Dynamics Limited, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-385-4982?

NSN 5330-01-385-4982 has 3 cross-referenced part numbers: 31518 (Mcnaughton Dynamics Limited), 31518 (Prime Source), 31518 (Zwick Energy Researach Organization Inc).

What NSN replaces 5330-01-385-4982?

There are 10 known substitutes for 5330-01-385-4982: 5940-00-246-3857, 3455-00-517-5970, 5330-00-631-6649 and 7 more. Verify interchangeability with system specifications before substitution.

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