PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7685Boot,dust and Moisture Seal

Plastic Dip Moldings Inc · NSN 5340-01-578-1301 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-578-1301 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-578-1301. Primary manufacturer part number: 7685.
Features
  • Boot,dust and Moisture Seal — FSC 5340
  • 7 verified cross-references
  • Primary manufacturer: Plastic Dip Moldings Inc
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The Boot,dust and Moisture Seal, cataloged under National Stock Number 5340-01-578-1301, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Plastic Dip Moldings Inc. This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 — No Item Name Available (FSG 53)
ManufacturersPlastic Dip Moldings Inc (CAGE 6D0J1); Naval Sea Systems Command (CAGE 53711); Electric Boat Corporation Div General Dynamics Electric Boat (CAGE 96169)
Technical Specifications
ParameterValue
NSN5340-01-578-1301
Primary Part Number7685
Item NameBoot,dust and Moisture Seal
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerPlastic Dip Moldings Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 9
5945-00-114-98237685 INTERCHANGEABLE
Relay,thermal
Kurz & Root Generator Company, Llc
4730-00-476-6444 INTERCHANGEABLE
Union,pipe
9540-00-556-8967 INTERCHANGEABLE
Beam,structural
9540-00-580-6606 INTERCHANGEABLE
Beam,structural
6130-00-851-10077685 INTERCHANGEABLE
Power Supply Subassembly
Drs Signal Solutions, Inc.
5340-01-014-0085768-5 INTERCHANGEABLE
Clamp,loop
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
5360-01-146-5995 INTERCHANGEABLE
Spring
5985-01-154-7366M1970-1 INTERCHANGEABLE
Diplexer
Microphase Corp
5950-01-353-2879 INTERCHANGEABLE
Transformer,power
Cross-Reference Index
Part NumberManufacturer
7685 PRIMARY Plastic Dip Moldings Inc (USA)
223-8216644-88 Naval Sea Systems Command (USA)
PDM-7685 Plastic Dip Moldings Inc (USA)
223-8216641-4 Naval Sea Systems Command (USA)
H7510514A-4 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
H751-0514-4 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
H751-0511-88 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
5945-00-114-9823INTERCHANGEABLE
RELAY,THERMAL
7685
4730-00-476-6444INTERCHANGEABLE
UNION,PIPE
9540-00-556-8967INTERCHANGEABLE
BEAM,STRUCTURAL
9540-00-580-6606INTERCHANGEABLE
BEAM,STRUCTURAL
6130-00-851-1007INTERCHANGEABLE
POWER SUPPLY SUBASSEMBLY
7685
5340-01-014-0085INTERCHANGEABLE
CLAMP,LOOP
768-5
5360-01-146-5995INTERCHANGEABLE
SPRING
5985-01-154-7366INTERCHANGEABLE
DIPLEXER
M1970-1
5950-01-353-2879INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5340-01-578-1301?

NSN 5340-01-578-1301 is a Boot,dust and Moisture Seal, manufactured by Plastic Dip Moldings Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-578-1301?

NSN 5340-01-578-1301 has 7 cross-referenced part numbers: 7685 (Plastic Dip Moldings Inc), 223-8216644-88 (Naval Sea Systems Command), PDM-7685 (Plastic Dip Moldings Inc), 223-8216641-4 (Naval Sea Systems Command), H7510514A-4 (Electric Boat Corporation Div General Dynamics Electric Boat) and 2 more.

What NSN replaces 5340-01-578-1301?

There are 9 known substitutes for 5340-01-578-1301: 5945-00-114-9823, 4730-00-476-6444, 9540-00-556-8967 and 6 more. Verify interchangeability with system specifications before substitution.

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