PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81820Press Lead Seal

Naval Sea Systems Command · NSN 5998-01-454-1718 · FSC 5998 · Circuit Card Assembly
Verified by PartsTable
NSN 5998-01-454-1718 — this item is cataloged by the U.S. Government under National Stock Number 5998-01-454-1718. Primary manufacturer part number: 81820.
Features
  • Press Lead Seal — FSC 5998
  • 1 verified cross-reference
  • Primary manufacturer: Naval Sea Systems Command
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Press Lead Seal, cataloged under National Stock Number 5998-01-454-1718, is classified within Federal Supply Class 5998 (Circuit Card Assembly) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Naval Sea Systems Command. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5998-01-454-1718
Primary Part Number81820
Item NamePress Lead Seal
FSC / FSG5998 / 59 — Circuit Card Assembly
ManufacturerNaval Sea Systems Command
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeAF
Unit of IssueEA
SMR CodeAH
Verified Substitutes 4
5305-00-391-8403 INTERCHANGEABLE
Screw,compression
5133-00-838-5300 INTERCHANGEABLE
Drill,twist
3740-01-371-6770M325 INTERCHANGEABLE
Trap,rodent,mechanical
Woodstream Corp
5999-01-432-0880 INTERCHANGEABLE
Contact,electrical
Cross-Reference Index
Part NumberManufacturer
81820 PRIMARY Naval Sea Systems Command (USA)
Related Parts
5305-00-391-8403INTERCHANGEABLE
SCREW,COMPRESSION
5133-00-838-5300INTERCHANGEABLE
DRILL,TWIST
3740-01-371-6770INTERCHANGEABLE
TRAP,RODENT,MECHANICAL
M325
5999-01-432-0880INTERCHANGEABLE
CONTACT,ELECTRICAL

Frequently Asked Questions

What is NSN 5998-01-454-1718?

NSN 5998-01-454-1718 is a Press Lead Seal, manufactured by Naval Sea Systems Command, classified under FSC 5998 (Circuit Card Assembly). Status: active.

What are the part numbers for NSN 5998-01-454-1718?

NSN 5998-01-454-1718 has 1 cross-referenced part number: 81820 (Naval Sea Systems Command).

What NSN replaces 5998-01-454-1718?

There are 4 known substitutes for 5998-01-454-1718: 5305-00-391-8403, 5133-00-838-5300, 3740-01-371-6770 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81820?

Key specifications for 81820: End Item Identification: MK 31 MOD 0 RAM GMWS; End Item Identification: MK 31 MOD 0 RAM GMWS. 2 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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